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Search: id:A068946
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| 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
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OFFSET
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1,3
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EXAMPLE
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a(5)=22 since A068943(5)=2524286414780230533120.
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PROGRAM
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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)), ", "))
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CROSSREFS
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a(n) = length(A068943(n))
Sequence in context: A107239 A106434 A072547 this_sequence A122449 A121686 A128723
Adjacent sequences: A068943 A068944 A068945 this_sequence A068947 A068948 A068949
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KEYWORD
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nonn,base
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AUTHOR
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Francois Jooste (phukraut(AT)hotmail.com), Mar 10 2002
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EXTENSIONS
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More terms from Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 11 2002
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