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A004836
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Numbers that are the sum of at most 7 nonzero 4th powers.
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1
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0, 1, 2, 3, 4, 5, 6, 7, 16, 17, 18, 19, 20, 21, 22, 32, 33, 34, 35, 36, 37, 48, 49, 50, 51, 52, 64, 65, 66, 67, 80, 81, 82, 83, 84, 85, 86, 87, 96, 97, 98, 99, 100, 101, 102, 112, 113, 114, 115, 116, 117, 129, 130, 131
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OFFSET
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1,3
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LINKS
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MATHEMATICA
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Reap[For[n = 0, n < 200, n++, If[MatchQ[PowersRepresentations[n, 7, 4], {Table[_, 7], ___}], Print[n]; Sow[n]]]][[2, 1]] (* _Jean-François Alcover_, Oct 30 2017 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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_N. J. A. Sloane_
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STATUS
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approved
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