A316835 Sums of four distinct positive even squares.

120, 156, 184, 200, 204, 216, 228, 248, 252, 260, 264, 280, 284, 296, 300, 312, 316, 324, 336, 340, 344, 348, 360, 364, 372, 376, 380, 392, 396, 408, 420, 424, 428, 436, 440, 444, 452, 456, 464, 468, 472, 476, 480, 484, 488, 492, 500, 504, 508, 516, 520, 524, 532, 536, 540, 548, 552

Offset

1,1

References

Michael D. Hirschhorn, The Power of q: A Personal Journey, Springer 2017. See Chapter 31.

Links

Table of n, a(n) for n=1..57.

Mathematica

Total/@Subsets[(2*Range[10])^2, {4}]//Union (* Harvey P. Dale, May 21 2019 *)

Crossrefs

Equals 4*A004433. Cf. A316833, A316834.

Sequence in context: A192277 A034291 A039602 * A179642 A099832 A111399

Adjacent sequences: A316832 A316833 A316834 * A316836 A316837 A316838

Keyword

nonn

Author

N. J. A. Sloane, Jul 19 2018

Status

approved