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Search: id:A020670
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A020670 Numbers of form x^2 + 7 y^2. +0
3
0, 1, 4, 7, 8, 9, 11, 16, 23, 25, 28, 29, 32, 36, 37, 43, 44, 49, 53, 56, 63, 64, 67, 71, 72, 77, 79, 81, 88, 92, 99, 100, 107, 109, 112, 113, 116, 121, 127, 128, 137, 144, 148, 149, 151, 161, 163, 169, 172, 175, 176, 179, 184, 191, 193, 196, 197, 200, 203, 207, 211, 212, 224 (list; graph; listen)
OFFSET

1,3

CROSSREFS

Sequence in context: A004710 A060257 A161986 this_sequence A047538 A074231 A076680

Adjacent sequences: A020667 A020668 A020669 this_sequence A020671 A020672 A020673

KEYWORD

easy,nonn

AUTHOR

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

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


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