login
A020683
Numbers of form 4 x^2 + 7 y^2.
1
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
OFFSET
1,2
LINKS
N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)
CROSSREFS
Sequence in context: A231603 A134869 A171377 * A310758 A310759 A310760
KEYWORD
easy,nonn
STATUS
approved