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Search: id:A020684
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A020684 Numbers of form 4 x^2 + 9 y^2. +0
1
0, 4, 9, 13, 16, 25, 36, 40, 45, 52, 64, 72, 73, 81, 85, 97, 100, 109, 117, 136, 144, 145, 148, 153, 160, 180, 181, 196, 205, 208, 225, 229, 232, 241, 244, 256, 261, 265, 277, 288, 289, 292, 324, 325, 328, 333, 337, 340, 360, 369, 388, 400, 405, 409, 421, 424, 436, 441 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Sequence in context: A141000 A140485 A010397 this_sequence A093410 A090498 A035104

Adjacent sequences: A020681 A020682 A020683 this_sequence A020685 A020686 A020687

KEYWORD

easy,nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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