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A004875 Numbers that are the sum of at most 2 nonzero 8th powers. 2
0, 1, 2, 256, 257, 512, 6561, 6562, 6817, 13122, 65536, 65537, 65792, 72097, 131072, 390625, 390626, 390881, 397186, 456161, 781250, 1679616, 1679617, 1679872, 1686177, 1745152, 2070241, 3359232, 5764801, 5764802, 5765057, 5771362, 5830337 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

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

PROG

(PARI) list(lim)=my(v=List(), x8); for(x=0, sqrtnint(lim\=1, 8), x8=x^8; for(y=0, min(sqrtnint(lim-x8, 8), x), listput(v, x8+y^8))); Set(v) \\ Charles R Greathouse IV, Aug 22 2017

(PARI) T=thueinit('z^8+1, 1);

is(n)=#thue(T, n)>0 \\ Charles R Greathouse IV, Aug 23 2017

CROSSREFS

Sequence in context: A224828 A070782 A078167 * A067480 A062077 A190539

Adjacent sequences:  A004872 A004873 A004874 * A004876 A004877 A004878

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified October 28 21:20 EDT 2020. Contains 338064 sequences. (Running on oeis4.)