A003350 Numbers that are the sum of 5 positive 5th powers.
5, 36, 67, 98, 129, 160, 247, 278, 309, 340, 371, 489, 520, 551, 582, 731, 762, 793, 973, 1004, 1028, 1059, 1090, 1121, 1152, 1215, 1270, 1301, 1332, 1363, 1512, 1543, 1574, 1754, 1785, 1996, 2051, 2082, 2113, 2144, 2293, 2324, 2355, 2535, 2566, 2777, 3074, 3105, 3129
Offset: 1
Examples
From _David A. Corneth_, Aug 03 2020: (Start) 122490 is in the sequence as 122490 = 3^5 + 4^5 + 5^5 + 9^5 + 9^5. 251124 is in the sequence as 251124 = 1^5 + 3^5 + 4^5 + 4^5 + 12^5. 349858 is in the sequence as 349858 = 1^5 + 1^5 + 4^5 + 10^5 + 12^5. (End)
Links
- David A. Corneth, Table of n, a(n) for n = 1..10000 (first 1000 terms from T. D. Noe)
Programs
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Mathematica
f[upto_]:=Module[{max=Floor[Power[upto, (5)^-1]],tp},tp=Union[ Total/@ (Tuples[ Range[max],{5}]^5)]; Select[tp,#<=upto&]]; f[2100] (* Harvey P. Dale, Mar 22 2011 *)