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1, 1, 5, 2317, 153143499, 2331601789103231, 13956629370284243750857868, 50423205212193924706520234988903231406, 154976268837151170420647979803561273009994277188269267, 540838714291102105296873678266047207577891369813629960678503735540658879
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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LINKS
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Vaclav Kotesovec, Table of n, a(n) for n = 0..26
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FORMULA
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a(n) ~ n^(n^2) / n!.
a(n) ~ exp(n) * n^(n^2 - n - 1/2) / sqrt(2*Pi).
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PROG
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(PARI) {T(n, k) = my(A=[1], m); for(i=1, k, A=concat(A, 0); m=#A; A[m] = Vec( exp(x*(m-1)^n +x*O(x^m)) / Ser(A) )[m] ); A[k+1]}
for(n=0, 10, print1(T(n, n), ", ")) \\ after Paul D. Hanna
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CROSSREFS
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Cf. A304320.
Sequence in context: A172942 A067944 A260843 * A326356 A200916 A346655
Adjacent sequences: A337548 A337549 A337550 * A337552 A337553 A337554
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KEYWORD
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nonn
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AUTHOR
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Vaclav Kotesovec, Aug 31 2020
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STATUS
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approved
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