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A373870 a(n) = Sum_{k=1..n} k! * k^(n-3) * |Stirling1(n,k)|. 4
0, 1, 2, 14, 254, 9154, 552034, 50183832, 6417140232, 1098719459424, 242758470248976, 67260880064331216, 22840933997866565184, 9330599517868641290160, 4514326567036815466609008, 2553018492454631240215801344, 1668797317379516060093446975104 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
FORMULA
E.g.f.: Sum_{k>=1} (-log(1 - k*x))^k / k^3.
PROG
(PARI) a(n) = sum(k=1, n, k!*k^(n-3)*abs(stirling(n, k, 1)));
CROSSREFS
Sequence in context: A219344 A343441 A152476 * A070813 A156214 A370490
KEYWORD
nonn,new
AUTHOR
Seiichi Manyama, Jun 20 2024
STATUS
approved

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Last modified June 29 09:33 EDT 2024. Contains 373837 sequences. (Running on oeis4.)