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A050235
a(n) is the number of n-digit Keith numbers A007629.
1
0, 6, 2, 9, 7, 10, 2, 3, 2, 0, 2, 4, 2, 3, 3, 3, 5, 3, 5, 3, 1, 1, 3, 1, 1, 3, 7, 1, 2, 5, 2, 4, 6, 3
OFFSET
1,2
LINKS
Mike Keith, Keith Numbers
Eric Weisstein's World of Mathematics, Keith Number
CROSSREFS
Cf. A007629.
Sequence in context: A243453 A142871 A195411 * A223536 A339410 A235362
KEYWORD
nonn,hard,base
EXTENSIONS
More terms from Eric W. Weisstein using results from D. Lichtblau, Aug 24 2004
a(27)-a(31) from Eric W. Weisstein from computations by Daniel Lichtblau Eric W. Weisstein, Jun 23 2009
a(32)-a(34) from computations by Daniel Lichtblau -- Eric W. Weisstein, Aug 26 2009
STATUS
approved