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7 is the only number D for which the equation 2 n − D = x 2 has more than two solutions for n and x natural. In particular, the equation 2 n − 7 = x 2 is known as the Ramanujan–Nagell equation. 7 is one of seven numbers in the positive definite quadratic integer matrix representative of all odd numbers: {1, 3, 5, 7, 11, 15, 33}. [19] [20]
A 14-year-old boy was stabbed to death at a Queens McDonald’s after teenagers got into a brawl at the fast-food joint Friday afternoon, according to the NYPD.
This is the results breakdown of the Congress of Deputies election held in Spain on 15 June 1977. The following tables show detailed results in each of the country's 17 autonomous communities and in the autonomous cities of Ceuta and Melilla, as well as a summary of constituency and regional results.
James Anthony Patrick Carr was born on 15 September 1972, [3] in Hounslow, London, [4] [5] [6] the second of three sons [7] born to Irish parents Nora Mary (née Lawlor; 19 September 1943 – 7 September 2001) [8] [9] and Patrick James "Jim" Carr (born 1945), an accountant who became the treasurer for computer company Unisys. His parents were ...