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A002480 Numbers of form 2x^2 + 3y^2.
(Formerly M0683 N0252)

%I M0683 N0252

%S 0,2,3,5,8,11,12,14,18,20,21,27,29,30,32,35,44,45,48,50,53,56,59,62,

%T 66,72,75,77,80,83,84,93,98,99,101,107,108,110,116,120,125,126,128,

%U 131,140,146,147,149,155,158,162

%N Numbers of form 2x^2 + 3y^2.

%D L. Euler, (E388) Vollstaendige Anleitung zur Algebra, Zweiter Theil, reprinted in: Opera Omnia. Teubner, Leipzig, 1911, Series (1), Vol. 1, p. 425.

%D N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

%H L. Euler, <a href="http://www.mathematik.uni-bielefeld.de/~sieben/euler/euler_2.djvu">Vollstaendige Anleitung zur Algebra, Zweiter Teil</a>.

%Y For primes see A084865.

%K nonn

%O 1,2

%A _N. J. A. Sloane_, _Mira Bernstein_

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Last modified March 20 09:50 EDT 2019. Contains 321345 sequences. (Running on oeis4.)