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A028951 Numbers represented by quadratic form with Gram matrix [ 2, 1; 1, 4 ] (or the Kleinian 2-d lattice, see A002652). +0
2
0, 1, 2, 4, 7, 8, 9, 11, 14, 16, 18, 22, 23, 25, 28, 29, 32, 36, 37, 43, 44, 46, 49, 50, 53, 56, 58, 63, 64, 67, 71, 72, 74, 77, 79, 81, 86, 88, 92, 98, 99, 100, 106, 107, 109, 112, 113, 116, 121, 126, 127, 128, 134, 137, 142, 144, 148, 149, 151, 154, 158, 161, 162 (list; graph; listen)
OFFSET

1,3

CROSSREFS

Cf. A028929.

Sequence in context: A035261 A047351 A035248 this_sequence A035251 A141401 A132604

Adjacent sequences: A028948 A028949 A028950 this_sequence A028952 A028953 A028954

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

More terms from Larry Reeves (larryr(AT)acm.org), Mar 29 2000

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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