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A367201
E.g.f. satisfies log(A(x)) = (exp(x*A(x)) - 1) * A(x)^3.
2
1, 1, 10, 200, 6167, 258607, 13748744, 886397829, 67211684890, 5861684458896, 578088714806497, 63617223837958309, 7728596914020856162, 1027393177458209939977, 148344954037140113652010, 23119776330887635387231580, 3868359765874829925197165527
OFFSET
0,3
FORMULA
a(n) = Sum_{k=0..n} (n+3*k+1)^(k-1) * Stirling2(n,k).
PROG
(PARI) a(n) = sum(k=0, n, (n+3*k+1)^(k-1)*stirling(n, k, 2));
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Nov 10 2023
STATUS
approved