A130010 Keith numbers together with the numbers from 0 through 9.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 14, 19, 28, 47, 61, 75, 197, 742, 1104, 1537, 2208, 2580, 3684, 4788, 7385, 7647, 7909, 31331, 34285, 34348, 55604, 62662, 86935, 93993, 120284, 129106, 147640, 156146, 174680, 183186, 298320, 355419, 694280, 925993, 1084051, 7913837, 11436171, 33445755, 44121607

Offset: 1

Author

N. J. A. Sloane, Nov 05 2007

Keywords

• nonn
• base

Comments

An alternative definition of Keith numbers would allow single-digit numbers, corresponding to degenerate recurrences of the form b(i) = b(i-1).

Crossrefs

See A007629 for further information.