cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A240945 Powers of 9 without the digit '0' in their decimal expansion.

Original entry on oeis.org

1, 9, 81, 729, 6561, 531441, 4782969, 282429536481, 2541865828329, 22876792454961, 16677181699666569, 278128389443693511257285776231761
Offset: 1

Views

Author

Vincenzo Librandi, Aug 04 2014

Keywords

Comments

Conjectured to be finite.

Crossrefs

Cf. A030705.
Cf. similar sequences listed in A245853.

Programs

  • Magma
    [9^n: n in [0..3*10^4] | not 0 in Intseq(9^n)];
  • Mathematica
    Select[9^Range[0, 2*10^5], DigitCount[#, 10, 0]==0 &]