

A216137


a(n) = conjectured number of integers k such that n^k has no two consecutive identical digits.


1



40, 24, 22, 23, 10, 12, 14, 13, 1, 8, 7, 10, 10, 8, 12, 8, 6, 6, 1, 6, 6, 9, 6, 12, 8, 9, 8, 10, 1, 8, 8, 6, 5, 6, 5, 8, 8, 5, 1, 10, 5, 4, 7, 8, 6, 4, 6, 5, 1, 6, 6, 8, 7, 6, 6, 6, 4, 5, 1, 7, 5, 5, 8, 5, 4, 4, 3, 6, 1, 4, 7, 5, 5, 8, 3, 4, 5, 7, 1, 4, 6, 7, 6
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OFFSET

2,1


LINKS



MATHEMATICA

Table[cnt = 0; Do[If[! MemberQ[Differences[IntegerDigits[n^k]], 0], cnt++], {k, 1000}]; cnt, {n, 2, 100}] (* T. D. Noe, Sep 20 2012 *)


CROSSREFS



KEYWORD

nonn,base


AUTHOR



STATUS

approved



