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A316835 Sums of four distinct positive even squares. 1
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified January 19 03:18 EST 2020. Contains 331031 sequences. (Running on oeis4.)