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A116654
Number of atomic species based on even permutation groups that are not substitutions of smaller species.
1
0, 1, 0, 1, 3, 4, 11, 15, 84, 59, 139, 168, 1232, 1079
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: A231067 A042327 A046114 * A041020 A041527 A290493
KEYWORD
nonn,hard
AUTHOR
Christian G. Bower, Feb 23 2006
STATUS
approved