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 A292232 Number of (unlabeled) rooted trees with n leaf nodes and without unary nodes such that the maximum of the node outdegrees equals six. 2
 1, 2, 7, 23, 78, 261, 887, 3008, 10268, 35112, 120445, 413979, 1425919, 4919635, 17000553, 58828575, 203826882, 707008418, 2454916048, 8532126320, 29679297122, 103322632386, 359962092302, 1254914172463, 4377704183644, 15280415561913, 53365850603107 (list; graph; refs; listen; history; text; internal format)
 OFFSET 6,2 LINKS Alois P. Heinz, Table of n, a(n) for n = 6..1000 Index entries for sequences related to rooted trees MAPLE b:= proc(n, i, v, k) option remember; `if`(n=0, `if`(v=0, 1, 0), `if`(i<1 or v<1 or n A(n, 6)-A(n, 5): seq(a(n), n=6..35); CROSSREFS Column k=6 of A292086. Sequence in context: A067324 A047062 A292231 * A292233 A292234 A292235 Adjacent sequences: A292229 A292230 A292231 * A292233 A292234 A292235 KEYWORD nonn AUTHOR Alois P. Heinz, Sep 12 2017 STATUS approved

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Last modified September 29 18:47 EDT 2023. Contains 365775 sequences. (Running on oeis4.)