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 A336250 a(n) = (n!)^n * Sum_{k=1..n} (-1)^(k+1) / k^n. 0
 0, 1, 3, 197, 313840, 24191662624, 137300308036448256, 81994640912971156525105152, 6958651785463110878359050928999366656, 108902755985567407887534498777329973193771818418176, 395560567918154447056086270973712023435510589158871531520000000000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS FORMULA a(n) = (n!)^n * [x^n] -polylog(n,-x) / (1 - x). MATHEMATICA Table[(n!)^n Sum[(-1)^(k + 1)/k^n, {k, 1, n}], {n, 0, 10}] Table[(n!)^n SeriesCoefficient[-PolyLog[n, -x]/(1 - x), {x, 0, n}], {n, 0, 10}] PROG (PARI) a(n) = (n!)^n * sum(k=1, n, (-1)^(k+1) / k^n); \\ Michel Marcus, Jul 14 2020 CROSSREFS Cf. A024167, A036740, A060943, A142999. Sequence in context: A000724 A309749 A209120 * A256407 A256406 A157565 Adjacent sequences:  A336247 A336248 A336249 * A336251 A336252 A336253 KEYWORD nonn AUTHOR Ilya Gutkovskiy, Jul 14 2020 STATUS approved

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Last modified August 12 10:16 EDT 2022. Contains 356069 sequences. (Running on oeis4.)