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A035061
Numbers n such that 2^n does not contain the digit 6 (probably finite).
1
0, 1, 2, 3, 5, 7, 9, 10, 11, 13, 17, 19, 21, 22, 25, 27, 30, 33, 37, 39, 41, 45, 47, 53, 54, 57, 90, 93
OFFSET
1,3
MATHEMATICA
Join[{0}, Select[Range@10000, FreeQ[IntegerDigits[2^#], 6] &]] (* Vincenzo Librandi, May 07 2015 *)
PROG
(Magma) [n: n in [0..1000] | not 6 in Intseq(2^n) ]; // Vincenzo Librandi, May 07 2015
CROSSREFS
Cf. similar sequences listed in A035064.
Sequence in context: A047489 A375488 A196499 * A302403 A096738 A167857
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Nov 15 1998
EXTENSIONS
Initial 0 added by Vincenzo Librandi, May 07 2015
STATUS
approved