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A362238 Expansion of e.g.f.: 1/(1 - x*(1+x)^x). 2
1, 1, 2, 12, 60, 460, 3900, 39438, 456288, 5896224, 85230000, 1349017560, 23353941600, 437432418696, 8828284404576, 190867622500800, 4401749312069760, 107859517575659520, 2798352667710645120, 76636669899079699776, 2209235394261812751360 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
FORMULA
a(n) = n! * Sum_{i=0..n} Sum_{j=0..n-i} i^j * Stirling1(n-i-j,j)/(n-i-j)!.
PROG
(PARI) my(N=30, x='x+O('x^N)); Vec(serlaplace(1/(1-x*(1+x)^x)))
CROSSREFS
Sequence in context: A364283 A360590 A362244 * A190425 A145630 A082688
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Apr 12 2023
STATUS
approved

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Last modified March 2 20:50 EST 2024. Contains 370498 sequences. (Running on oeis4.)