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A367490 Expansion of e.g.f. -x * log(4 - 3*exp(x)). 3
0, 0, 6, 36, 336, 4380, 73080, 1481844, 35320992, 966875724, 29874822600, 1028081942052, 38985534525168, 1614899447153148, 72543518616692760, 3512306387815898580, 182320857226312198464, 10100520471366488756652, 594804877105749056467560 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
FORMULA
a(n) = n * Sum_{k=1..n-1} 3^k * (k-1)! * Stirling2(n-1,k).
PROG
(PARI) a(n) = n*sum(k=1, n-1, 3^k*(k-1)!*stirling(n-1, k, 2));
CROSSREFS
Sequence in context: A098559 A129584 A052559 * A053335 A222925 A370752
KEYWORD
nonn,easy
AUTHOR
Seiichi Manyama, Nov 19 2023
STATUS
approved

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Last modified April 14 12:23 EDT 2024. Contains 371661 sequences. (Running on oeis4.)