A034732 Dirichlet convolution of b_n=1 with Bell numbers.

1, 2, 3, 7, 16, 56, 204, 884, 4143, 21164, 115976, 678631, 4213598, 27644642, 190899340, 1382959429, 10480142148, 82864874000, 682076806160, 5832742226226, 51724158235578, 474869816272728, 4506715738447324

Offset

1,2

Links

Table of n, a(n) for n=1..23.

Mathematica

Table[DivisorSum[n, BellB[#-1]&], {n, 1, 25}] (* Vaclav Kotesovec, Sep 10 2019 *)

Crossrefs

Sequence in context: A282320 A002854 A036356 * A000278 A270525 A153787

Adjacent sequences: A034729 A034730 A034731 * A034733 A034734 A034735

Keyword

nonn

Author

Erich Friedman

Status

approved