A035063 Numbers n such that 2^n does not contain the digit 8 (probably finite).

0, 1, 2, 4, 5, 6, 8, 9, 10, 12, 16, 17, 18, 21, 22, 24, 25, 32, 40, 41, 49, 52, 53, 56, 73, 78

Offset

1,3

Comments

No additional terms up to 50000. [Harvey P. Dale, Apr 12 2011]

Links

Table of n, a(n) for n=1..26.

Mathematica

Select[Range[0, 50000], DigitCount[2^#, 10, 8]==0 &]  (* Harvey P. Dale, Apr 12 2011 *)

Prog

(Magma) [n: n in [0..1000] | not 8 in Intseq(2^n) ]; // Vincenzo Librandi, May 06 2015

Crossrefs

Cf. similar sequences listed in A035064.

Sequence in context: A141820 A267137 A095775 * A004128 A023717 A324639

Adjacent sequences: A035060 A035061 A035062 * A035064 A035065 A035066

Keyword

nonn,base

Author

Patrick De Geest, Nov 15 1998

Extensions

Initial 0 added and Mathematica code adapted by Vincenzo Librandi, May 06 2015

Status

approved