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 A215837 Seventh derivative of f_n at x=1, where f_n is the n-th of all functions that are representable as x^x^...^x with m>=1 x's and parentheses inserted in all possible ways. 3
 0, -42, 6804, 6524, 70098, 41090, 47110, 26054, 349440, 187124, 106876, 154336, 89600, 184296, 100660, 77084, 47894, 1192590, 644546, 358330, 453250, 287294, 269262, 170506, 434322, 254506, 187250, 126560, 520982, 294546, 169330, 203350, 137620, 182294, 114044 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS For the ordering of functions f_n see A215703. LINKS Alois P. Heinz, Table of n, a(n) for n = 1..7813 MAPLE # load programs from A215703, then: seq(A(7, n), n=1..100); CROSSREFS Row n=7 of A215703. Number of distinct values of a(n) taken for functions with m x's: A215796. Cf. A000081, A087803. Sequence in context: A005791 A167668 A277665 * A211908 A246621 A153471 Adjacent sequences:  A215834 A215835 A215836 * A215838 A215839 A215840 KEYWORD sign AUTHOR Alois P. Heinz, Aug 24 2012 STATUS approved

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Last modified September 23 21:27 EDT 2020. Contains 337315 sequences. (Running on oeis4.)