A004884 Numbers that are the sum of at most 11 nonzero 8th powers.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521, 768, 769, 770, 771, 772, 773, 774, 775, 776, 1024, 1025, 1026, 1027

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn

Links

• Alois P. Heinz, Table of n, a(n) for n = 1..10000

Programs

PARI

P=sum(n=0,3,x^n^8,O(x^10001))^11;
select(n->polcoeff(P,n),[0..10000]) \\ Charles R Greathouse IV, May 04 2015

Formula

For n > 12, a(n) > 8n/3. (Work mod 32.) - Charles R Greathouse IV, May 04 2015