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 A294297 Integers with precisely five partitions into sums of four squares of nonnegative numbers. 6
 50, 52, 54, 58, 70, 73, 74, 75, 76, 84, 85, 86, 89, 91, 93, 101, 103, 109, 111, 113, 127, 131, 140, 142, 143, 151, 167, 191, 200, 208, 216, 232, 280, 296, 304, 336, 344, 560, 568, 800, 832, 864, 928, 1120, 1184, 1216, 1344, 1376, 2240, 2272, 3200, 3328, 3456 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS A002635(a(n)) = 5. LINKS Robert Price, Table of n, a(n) for n = 1..81 D. H. Lehmer, On the Partition of Numbers into Squares, The American Mathematical Monthly, Vol. 55, No.8, October 1948, pp. 476-481. Index entries for sequences related to sums of squares MATHEMATICA f[n_] := Length@ PowersRepresentations[n, 4, 2]; Select[ Range@ 3500, f@# == 5 &] (* Robert G. Wilson v, Oct 27 2017 *) CROSSREFS Cf. A001156, A002635, A006431, A025428, A180149, A245022, A294282. Sequence in context: A296874 A134691 A139182 * A320673 A081646 A215908 Adjacent sequences: A294294 A294295 A294296 * A294298 A294299 A294300 KEYWORD nonn AUTHOR Robert Price, Oct 27 2017 STATUS approved

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Last modified May 21 16:41 EDT 2024. Contains 372738 sequences. (Running on oeis4.)