A020687 Numbers of form 5 x^2 + 8 y^2.

0, 5, 8, 13, 20, 28, 32, 37, 45, 52, 53, 72, 77, 80, 88, 92, 112, 117, 125, 128, 133, 148, 152, 157, 173, 180, 188, 197, 200, 205, 208, 212, 220, 245, 252, 253, 277, 280, 288, 293, 308, 317, 320, 325, 328, 333, 352, 368, 373, 380, 392, 397, 405, 412, 413, 437, 445, 448

Offset

1,2

Links

Table of n, a(n) for n=1..58.

N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)

Crossrefs

Sequence in context: A314460 A314461 A097404 * A035423 A314462 A314463

Adjacent sequences: A020684 A020685 A020686 * A020688 A020689 A020690

Keyword

easy,nonn

Author

David W. Wilson

Status

approved