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A243182 Numbers of the form 2x^2+2xy+5y^2. 2


%S 0,2,5,8,9,17,18,20,26,29,32,36,41,45,50,53,65,68,72,74,80,81,89,90,

%T 98,101,104,113,116,117,122,125,128,137,144,146,149,153,162,164,170,

%U 173,180,185,194,197,200,212,218,221,225,233,234,242,245,257,260,261,269,272,281,288,290,293,296,305,306,314,317,320,324,333,338,353,356,360,362,365,369

%N Numbers of the form 2x^2+2xy+5y^2.

%C Discriminant -36.

%H N. J. A. Sloane et al., <a href="https://oeis.org/wiki/Binary_Quadratic_Forms_and_OEIS">Binary Quadratic Forms and OEIS</a> (Index to related sequences, programs, references)

%Y Primes: A243183.

%K nonn

%O 1,2

%A _N. J. A. Sloane_, Jun 02 2014

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Last modified March 26 06:47 EDT 2023. Contains 361529 sequences. (Running on oeis4.)