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A290359 The tenth Euler transform of the sequence with g.f. 1+x.

%I A290359 #15 Aug 03 2017 17:43:02
%S A290359 1,1,10,55,385,2365,15367,96613,611644,3832477,23970089,149170604,
%T A290359 925530638,5722654098,35282873191,216928671076,1330360845060,
%U A290359 8139139896353,49683631194244,302640125458942,1839793530751731,11163107720200726,67610680329079976
%N A290359 The tenth Euler transform of the sequence with g.f. 1+x.
%C A290359 Also the number of 10-level rooted trees with n leaves. All n leaves are in level 10.
%H A290359 Alois P. Heinz, <a href="/A290359/b290359.txt">Table of n, a(n) for n = 0..1000</a>
%H A290359 B. A. Huberman and T. Hogg, <a href="https://doi.org/10.1016/0167-2789(86)90308-1">Complexity and adaptation</a>, Evolution, games and learning (Los Alamos, N.M., 1985). Phys. D 22 (1986), no. 1-3, 376-384.
%H A290359 <a href="/index/Ro#rooted">Index entries for sequences related to rooted trees</a>
%F A290359 G.f.: Product_{j>0} 1/(1-x^j)^A290358(j).
%p A290359 with(numtheory):
%p A290359 b:= proc(n, k) option remember; `if`(n<2, 1, `if`(k=0, 0, add(
%p A290359       add(b(d, k-1)*d, d=divisors(j))*b(n-j, k), j=1..n)/n))
%p A290359     end:
%p A290359 a:= n-> b(n, 10):
%p A290359 seq(a(n), n=0..30);
%t A290359 b[n_, k_]:=b[n, k]=If[n<2, 1, If[k==0, 0, Sum[Sum[b[d, k - 1]*d, {d, Divisors[j]}] b[n - j, k], {j, n}]/n]]; Table[b[n, 10], {n, 0, 30}] (* _Indranil Ghosh_, Jul 30 2017 *)
%Y A290359 Column k=10 of A290353.
%Y A290359 Cf. A290358.
%K A290359 nonn
%O A290359 0,3
%A A290359 _Alois P. Heinz_, Jul 28 2017