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A253606
Numbers n such that digits of n are not present in n^8.
2
3, 4, 8, 9, 22, 33, 43, 54, 59, 73, 222, 233, 353, 712, 777, 22224
OFFSET
1,1
COMMENTS
a(17) > 10^9.
EXAMPLE
4^8 = 65536 which does not contain the digit 4.
MATHEMATICA
a253606[n_] := Block[{f},
f[x_] := MemberQ[IntegerDigits[x^8], #] & /@ IntegerDigits[x];
Select[Range@n, DeleteDuplicates@f[#] == {False} &]]; a253606[10^5] (* Michael De Vlieger, Jan 06 2015 *)
PROG
(Python)
A253606_list = [n for n in range(1, 10**6) if set(str(n)) & set(str(n**8)) == set()]
CROSSREFS
Sequence in context: A245282 A320355 A113057 * A258640 A345223 A185726
KEYWORD
nonn,base,more
AUTHOR
Chai Wah Wu, Jan 05 2015
STATUS
approved