A050748 Numbers k such that the decimal expansion of k^9 contains no pair of consecutive equal digits.

0, 1, 2, 3, 5, 7, 9, 11, 12, 16, 18, 25, 26, 29, 38, 41, 44, 64, 67, 75, 76, 78, 85, 89, 95, 97, 101, 107, 116, 125, 134, 135, 138, 139, 149, 176, 185, 205, 215, 221, 241, 262, 268, 272, 301, 315, 324, 325, 327, 336, 343, 344, 351, 352, 355, 357, 374, 382, 386

Offset: 1

Author

Patrick De Geest, Sep 15 1999

Keywords

• nonn
• base

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A050756.

Programs

Mathematica

Select[Range[0,400],FreeQ[Differences[IntegerDigits[#^9]],0]&] (* Harvey P. Dale, Aug 21 2024 *)