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

Author

N. J. A. Sloane, Jul 19 2018

Keywords

• nonn

References

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

Crossrefs

Equals 4*A004433. Cf. A316833, A316834.

Programs

Mathematica

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