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Find the next number in the ...

Find the next number in the sequence 517, 1251343, 181251276427, ...

Correct answers: 37

The first user who solved this task is H Tav.

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A guy goes to the psychiatrist...

A guy goes to the psychiatrist.
"Doctor," says the guy, "I feel as if I'm two different people! Two totally different personalities!"
"Do you think I need help?"
"Can you help me?"
"Am I doing the right thing seeing a psychiatrist?"
"Whoah! Whoah! Whoah!" says the doc. "Please, one at a time."

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Adrien-Marie Legendre

Died 9 Jan 1833 at age 80 (born 18 Sep 1752). French mathematician who contributed to number theory, celestial mechanics and elliptic functions. In 1794, he was put in charge of the French government's department that was standardizing French weights and measures. In 1813, he took over as head of the Bureau des Longitudes upon the death of Lagrange, its former chief. It was in a paper on celestial mechanics concerning the motion of planets (1784) that he first introduced the Legendre Polynomials. His provided outstanding work on elliptic functions (1786), and his classic treatise on the theory of numbers (1798) and also worked on the method of least squares.«[DSB gives date of death 9 Jan 1833. EB gives 10 Jan 1833.]

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