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A254961
Cubes not divisible by 10 with digits d_1, d_2, ... d_k such that d_1^3 + ... + d_k^3 is a cube.
0
1, 8, 474552, 1643032, 13312053, 27818127, 125751501, 1015075125, 1121622319, 1256216039, 1501123625, 3811036328, 11000295424, 27081081027, 36067838464, 69173457625, 81690010219, 125075015001, 143466352875, 164386475352, 185680777625, 198053337789, 226534772736, 269460960579, 271468421875, 273738705157
OFFSET
1,2
COMMENTS
Any one of these terms can have M 0's following the term, where M is a multiple of 3. Thus, the cubes ending in 0 have been omitted.
PROG
(PARI) for(n=0, 10^4, if(n%10, N=n^3; d=digits(N); s=0; for(i=1, #d, s+=d[i]^3); if(ispower(s, 3), print1(N, ", "))))
CROSSREFS
Sequence in context: A223939 A013846 A131677 * A061212 A003836 A218429
KEYWORD
nonn,base
AUTHOR
Derek Orr, Feb 11 2015
STATUS
approved