A068946 Number of digits in A068943.
1, 1, 2, 6, 22, 83, 316, 1213, 4667, 17992, 69509, 269058, 1043346, 4052518, 15764358, 61408219, 239510633, 935245088, 3655841616, 14304538696, 56021145629, 219579741115, 861327333405, 3381084681442, 13281106066320
Offset: 1
Examples
a(5)=22 since A068943(5)=2524286414780230533120.
Crossrefs
a(n) = length(A068943(n))
Programs
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PARI
for(n=1,20,print1(ceil((sum(m=1,n,binomial(m+n-2,m-1)*log(n-m+1)))/log(10)),","))
Extensions
More terms from Benoit Cloitre, Mar 11 2002