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A097700 Numbers not of form x^2 + 2y^2. +0
3
5, 7, 10, 13, 14, 15, 20, 21, 23, 26, 28, 29, 30, 31, 35, 37, 39, 40, 42, 45, 46, 47, 52, 53, 55, 56, 58, 60, 61, 62, 63, 65, 69, 70, 71, 74, 77, 78, 79, 80, 84, 85, 87, 90, 91, 92, 93, 94, 95, 101, 103, 104, 105, 106, 109, 110, 111, 112, 115, 116, 117, 119, 120, 122 (list; graph; listen)
OFFSET

1,1

COMMENT

Is lim[n->inf, a(n)/n] = 3/4?

CROSSREFS

Complement of A002479.

Sequence in context: A129189 A066513 A028810 this_sequence A154689 A024325 A060873

Adjacent sequences: A097697 A097698 A097699 this_sequence A097701 A097702 A097703

KEYWORD

nonn

AUTHOR

Ralf Stephan (ralf(AT)ark.in-berlin.de), Aug 23 2004

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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