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A226876 Number of n-length words w over a 6-ary alphabet {a1,a2,...,a6} such that #(w,a1) >= #(w,a2) >= ... >= #(w,a6) >= 0, where #(w,x) counts the letters x in word w. 4
1, 1, 3, 10, 47, 246, 1602, 6441, 35023, 175510, 1017158, 5412111, 33991322, 168112907, 982269641, 5378704155, 31714236863, 174819971462, 1082436507990, 5756932808211, 34302363988462, 193719726696345, 1150224854410151, 6482217725030141, 39812123155826626 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..1000

MAPLE

b:= proc(n, i, t) option remember;

      `if`(t=1, 1/n!, add(b(n-j, j, t-1)/j!, j=i..n/t))

    end:

a:= n-> n!*b(n, 0, 6):

seq(a(n), n=0..30);

CROSSREFS

Column k=6 of A226873.

Sequence in context: A218919 A346188 A226875 * A325308 A226877 A226878

Adjacent sequences:  A226873 A226874 A226875 * A226877 A226878 A226879

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Jun 21 2013

STATUS

approved

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Last modified June 26 21:14 EDT 2022. Contains 354885 sequences. (Running on oeis4.)