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 A336248 a(n) = (n!)^n * Sum_{k=0..n} (-1)^k / (k!)^n. 1
 1, 0, 1, 26, 20481, 774403124, 2173797080953345, 645067515585218711490294, 27280857986486289638369834192338945, 213095986405176211170558965907644717041658073416, 386654453940903446694477049963665295677203885863801760000000001 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 LINKS Table of n, a(n) for n=0..10. MATHEMATICA Table[(n!)^n Sum[(-1)^k/(k!)^n, {k, 0, n}], {n, 0, 10}] PROG (PARI) a(n) = (n!)^n * sum(k=0, n, (-1)^k / (k!)^n); \\ Michel Marcus, Jul 14 2020 CROSSREFS Cf. A000166, A036740, A073701, A336247. Sequence in context: A265877 A015060 A015035 * A359054 A359052 A209961 Adjacent sequences: A336245 A336246 A336247 * A336249 A336250 A336251 KEYWORD nonn AUTHOR Ilya Gutkovskiy, Jul 14 2020 STATUS approved

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Last modified September 11 06:30 EDT 2024. Contains 375814 sequences. (Running on oeis4.)