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%I #5 Sep 10 2019 12:44:17
%S 1,2,4,11,29,98,335,1316,5574,26038,132771,737470,4421609,28387672,
%T 193573820,1392654721,10515499817,82994520352,682554444859,
%U 5834509494401,51730722356462,474894282556542,4506807221010963
%N Dirichlet convolution of Catalan numbers with Bell numbers.
%t Table[Sum[BellB[n/d - 1]*CatalanNumber[d - 1], {d, Divisors[n]}], {n, 1, 25}] (* _Vaclav Kotesovec_, Sep 10 2019 *)
%K nonn
%O 1,2
%A _Erich Friedman_
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