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A034732 Dirichlet convolution of b_n=1 with Bell numbers. 0
1, 2, 3, 7, 16, 56, 204, 884, 4143, 21164, 115976, 678631, 4213598, 27644642, 190899340, 1382959429, 10480142148, 82864874000, 682076806160, 5832742226226, 51724158235578, 474869816272728, 4506715738447324 (list; graph; refs; listen; history; text; internal format)
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

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Last modified May 15 17:50 EDT 2021. Contains 343920 sequences. (Running on oeis4.)