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A020683 Numbers of form 4 x^2 + 7 y^2. 0
0, 4, 7, 11, 16, 23, 28, 32, 36, 43, 44, 63, 64, 67, 71, 79, 92, 99, 100, 107, 112, 116, 127, 128, 144, 148, 151, 163, 172, 175, 176, 179, 191, 196, 203, 207, 211, 212, 224, 239, 252, 256, 259, 263, 268, 275, 284, 288, 308, 316, 319, 324, 331, 343, 347, 352, 359, 368, 371 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A057054 A134869 A171377 * A038835 A097403 A126618

Adjacent sequences:  A020680 A020681 A020682 * A020684 A020685 A020686

KEYWORD

easy,nonn

AUTHOR

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

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.