OFFSET
0,4
LINKS
N. J. A. Sloane, Table of n, a(n) for n=0..200
N. J. A. Sloane, Transforms
FORMULA
Take Euler transform of A034823 and shift right. (Christian G. Bower).
MAPLE
For Maple program see link in A000235.
with(numtheory): etr:= proc(p) local b; b:=proc(n) option remember; local d, j; if n=0 then 1 else add(add(d*p(d), d=divisors(j)) *b(n-j), j=1..n)/n fi end end: shr:= proc(p) n->`if`(n=0, 1, p(n-1)) end: b[0]:= etr(n->1): for j from 1 to 5 do b[j]:= etr(shr(b[j-1])) od: a:= shr(b[5]): seq(a(n), n=0..35); # Alois P. Heinz, Sep 08 2008
MATHEMATICA
Prepend[Nest[CoefficientList[Series[Product[1/(1-x^i)^#[[i]], {i, 1, Length[#]}], {x, 0, 40}], x]&, {1}, 7], 1] (* Geoffrey Critzer, Aug 01 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved