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  2. 1 − 2 + 4 − 8 + ⋯ - ⋯ - Wikipedia

    en.wikipedia.org/wiki/1_%E2%88%92_2_%2B_4_%E2%88...

    The Euler transform begins with the sequence of positive terms: a 0 = 1, a 1 = 2, a 2 = 4, a 3 = 8,... The sequence of forward differences is then Δa 0 = a 1 − a 0 = 21 = 1, Δa 1 = a 2 − a 1 = 42 = 2, Δa 2 = a 3 − a 2 = 84 = 4, Δa 3 = a 4 − a 3 = 168 = 8,... which is just the same sequence.

  3. Fibonacci sequence - Wikipedia

    en.wikipedia.org/wiki/Fibonacci_sequence

    A bijection with the sums to n is to replace 1 with 0 and 2 with 11. The number of binary strings of length n without an even number of consecutive 0 s or 1 s is 2F n. For example, out of the 16 binary strings of length 4, there are 2F 4 = 6 without an even number of consecutive 0 s or 1 s—they are 0001, 0111, 0101, 1000, 1010, 1110. There is ...

  4. Montblanc (company) - Wikipedia

    en.wikipedia.org/wiki/Montblanc_(company)

    Montblanc (UK: / ˌ m ɒ ˈ b l ɒ (k)/, US: / ˌ m ɑː n (t) ˈ b l ɑː ŋ k /) is a German manufacturer and distributor of luxury goods, founded in Berlin in 1906, and currently based in Hamburg. The company is most known for its luxury pens; it also designs and distributes bags, perfumes, small leather goods, and watches.

  5. List of perfumes - Wikipedia

    en.wikipedia.org/wiki/List_of_perfumes

    [8] 1882 Fougère Royale: Houbigant: Paul Parquet: 1882 Tsvetochniy: Brochard and Co. (now Novaya Zarya) Anri Brochard [9] 1885 Au Fil de l'Eau: Lenthéric: Guillaume-Louis Lenthéric 1889 Jicky: Guerlain: Aimé Guerlain [10] [11] 1889 Shipr: Brochard and Co. (now Novaya Zarya) Anri Brochard [12] 1891 Flirt: Ed. Pinaud: Émile Meyer c.1900 ...

  6. Perfume - Wikipedia

    en.wikipedia.org/wiki/Perfume

    Perfume (UK: / ˈ p ɜː f j uː m /, US: / p ər ˈ f j uː m / ⓘ) is a mixture of fragrant essential oils or aroma compounds (fragrances), fixatives and solvents, usually in liquid form, used to give the human body, animals, food, objects, and living-spaces an agreeable scent. [1]

  7. 1 + 2 + 4 + 8 + ⋯ - ⋯ - Wikipedia

    en.wikipedia.org/wiki/1_%2B_2_%2B_4_%2B_8_%2B_%E...

    The first four partial sums of 1 + 2 + 4 + 8 + ⋯. In mathematics, 1 + 2 + 4 + 8 + ⋯ is the infinite series whose terms are the successive powers of two. As a geometric series, it is characterized by its first term, 1, and its common ratio, 2. As a series of real numbers it diverges to infinity, so the sum of this series is infinity.

  8. 4711 - Wikipedia

    en.wikipedia.org/wiki/4711

    Glockengasse 4 in Cologne, the headquarters of 4711 Third address book of Cologne, 1797, page 179. On 3 October 1794, in view of the French troops standing just outside Cologne, the city council approved a plan proposed by the guard-committee to number all houses in the city without exception and to install what would be considered appropriate lighting for each location.

  9. Francis Kurkdjian - Wikipedia

    en.wikipedia.org/wiki/Francis_Kurkdjian

    Francis Kurkdjian was born in Paris, France on 14 May 1969 to Armenian parents. [2] [3] [4] Having been exposed to music and dancing at a young age, Francis Kurkdjian wanted to be a ballet dancer during his youth.