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

Author

Patrick De Geest, Nov 15 1998

Keywords

• nonn
• base

Comments

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

Crossrefs

Cf. similar sequences listed in A035064.

Programs

Magma

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

Mathematica

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

Extensions

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