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Numbers that are the sum of at most 11 nonzero 8th powers.
2

%I #17 Sep 16 2016 17:12:25

%S 0,1,2,3,4,5,6,7,8,9,10,11,256,257,258,259,260,261,262,263,264,265,

%T 266,512,513,514,515,516,517,518,519,520,521,768,769,770,771,772,773,

%U 774,775,776,1024,1025,1026,1027

%N Numbers that are the sum of at most 11 nonzero 8th powers.

%H Alois P. Heinz, <a href="/A004884/b004884.txt">Table of n, a(n) for n = 1..10000</a>

%F For n > 12, a(n) > 8n/3. (Work mod 32.) - _Charles R Greathouse IV_, May 04 2015

%o (PARI) P=sum(n=0,3,x^n^8,O(x^10001))^11;

%o select(n->polcoeff(P,n),[0..10000]) \\ _Charles R Greathouse IV_, May 04 2015

%K nonn

%O 1,3

%A _N. J. A. Sloane_