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a(n) is the number of n-digit Keith numbers A007629.
1

%I #12 Mar 31 2012 12:38:48

%S 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

%N a(n) is the number of n-digit Keith numbers A007629.

%H Mike Keith, <a href="http://www.cadaeic.net/keithnum.htm">Keith Numbers</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/KeithNumber.html">Keith Number</a>

%Y Cf. A007629.

%K nonn,hard,base

%O 1,2

%A _Eric W. Weisstein_

%E More terms from _Eric W. Weisstein_ using results from D. Lichtblau, Aug 24 2004

%E a(27)-a(31) from Eric W. Weisstein from computations by Daniel Lichtblau _Eric W. Weisstein_, Jun 23 2009

%E a(32)-a(34) from computations by Daniel Lichtblau -- _Eric W. Weisstein_, Aug 26 2009

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Last modified September 23 11:42 EDT 2024. Contains 376164 sequences. (Running on oeis4.)