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Search: id:A116654
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A116654 Number of atomic species based on even permutation groups that are not substitutions of smaller species. +0
2
0, 1, 0, 1, 3, 4, 11, 15, 84, 59, 139, 168, 1232, 1079 (list; graph; listen)
OFFSET

0,5

FORMULA

Define b(n), c(n): b(1)=c(0)=0. b(k)=a(k), k>1. c(k)=A029726(k), k>0. A116653(n) is Dirichlet convolution of b and c.

CROSSREFS

Sequence in context: A042709 A042327 A046114 this_sequence A041020 A041527 A001641

Adjacent sequences: A116651 A116652 A116653 this_sequence A116655 A116656 A116657

KEYWORD

nonn,hard

AUTHOR

Christian G. Bower (bowerc(AT)usa.net), Feb 23 2006

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


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