A082611 a(n) = Sum_{i=1..k} T(i,k)/(i*(k-i+1)), (k>=1, 1<=n<=k), where T(,) is given in A080046.

1, 2, 3, 6, 30, 1202, 3207410, 7925688042914, 251265071655132399283480418, 79278147718866210084428917149363438284974325840642

Offset

1,2

Comments

Row sums of residual multiplicative Pascal triangle.

Links

Table of n, a(n) for n=1..10.

Crossrefs

Cf. A080046.

Sequence in context: A074005 A145499 A221310 * A033689 A018324 A263803

Adjacent sequences: A082608 A082609 A082610 * A082612 A082613 A082614

Keyword

nonn

Author

André F. Labossière, Sep 23 2004

Status

approved