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 A292233 Number of (unlabeled) rooted trees with n leaf nodes and without unary nodes such that the maximum of the node outdegrees equals seven. 2
 1, 2, 7, 23, 78, 262, 892, 3034, 10379, 35581, 122338, 421498, 1455216, 5032559, 17431384, 60460263, 209967105, 729996715, 2540602259, 8850326207, 30857134567, 107670278671, 375970664930, 1313731592633, 4593388008873, 16069958896737, 56251584472388 (list; graph; refs; listen; history; text; internal format)
 OFFSET 7,2 LINKS Alois P. Heinz, Table of n, a(n) for n = 7..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, 7)-A(n, 6): seq(a(n), n=7..35); CROSSREFS Column k=7 of A292086. Sequence in context: A047062 A292231 A292232 * A292234 A292235 A292236 Adjacent sequences: A292230 A292231 A292232 * A292234 A292235 A292236 KEYWORD nonn AUTHOR Alois P. Heinz, Sep 12 2017 STATUS approved

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Last modified September 27 00:17 EDT 2023. Contains 365669 sequences. (Running on oeis4.)