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Search: id:A113723
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A113723 The number of terms in row n of A113722 when interpreted as a triangle. +0
4
1, 1, 3, 15, 135, 3845, 769605, 3821696361 (list; graph; listen)
OFFSET

1,3

COMMENT

A113722 is a variant of Golomb's sequence using odd numbers: a(n) is the number of times 2*n+1 occurs, starting with a(1) = 1.

CROSSREFS

Cf. A001462 (Golomb's sequence), A113722, A113724, A113725, A113676.

Sequence in context: A059861 A030539 A028362 this_sequence A113379 A005816 A086228

Adjacent sequences: A113720 A113721 A113722 this_sequence A113724 A113725 A113726

KEYWORD

nonn

AUTHOR

Floor van Lamoen (fvlamoen(AT)hotmail.com) and Paul D. Hanna (pauldhanna(AT)juno.com), Nov 08 2005

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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