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 A332303 a(n) = (n^2)! * [x^(n^2)] 1 / (1 - Sum_{k>=1} x^(n*k) / (n*k)!). 0
 1, 1, 7, 1849, 65782211, 633287284180541, 2684646142383590108047885, 7376495464848567792567195041277565905, 18175605935440100610889032969797881598437325871194971, 53139431374789917342401028242879020609739813068021830228099307511801461 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Table of n, a(n) for n=0..9. MATHEMATICA Table[(n^2)! SeriesCoefficient[1/(1 - Sum[x^(n k)/(n k)!, {k, 1, n}]), {x, 0, n^2}], {n, 0, 9}] CROSSREFS Main diagonal of A260883. Cf. A000670, A326996. Sequence in context: A206459 A172937 A185407 * A145253 A248730 A024099 Adjacent sequences: A332300 A332301 A332302 * A332304 A332305 A332306 KEYWORD nonn AUTHOR Ilya Gutkovskiy, Feb 09 2020 STATUS approved

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Last modified May 29 10:34 EDT 2023. Contains 363029 sequences. (Running on oeis4.)