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 A215708 n-th derivative of (x^(x^x))^(x^x) at x=1. 3
 1, 1, 4, 24, 148, 1180, 10428, 106876, 1198160, 14843808, 198832320, 2877693984, 44545268832, 734929736736, 12852051257472, 237372559264320, 4614124211454720, 94103610003019008, 2008507968212696064, 44748953208031094784, 1038646472528272158720 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS Also n-th derivative of x^((x^x)^2) at x=1. First term < 0: a(175). LINKS Alois P. Heinz, Table of n, a(n) for n = 0..400 FORMULA E.g.f.: (x+1)^((x+1)^(2*x+2)). MAPLE a:= n-> n!*coeff(series(subs(x=x+1, x^((x^x)^2) ), x, n+1), x, n): seq(a(n), n=0..25); CROSSREFS Column k=11 of A215703. Cf. A005727, A179230, A179405, A215524. Sequence in context: A104531 A225050 A045738 * A192806 A262407 A192927 Adjacent sequences:  A215705 A215706 A215707 * A215709 A215710 A215711 KEYWORD sign AUTHOR Alois P. Heinz, Aug 21 2012 STATUS approved

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Last modified September 23 22:32 EDT 2020. Contains 337315 sequences. (Running on oeis4.)