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A293803 Number of multisets of nonempty words with a total of n letters over octonary alphabet containing the eighth letter such that within each prefix of a word every letter of the alphabet is at least as frequent as the subsequent alphabet letter. 2
1, 9, 82, 563, 3807, 23376, 142085, 829038, 4816390, 27477989, 156716051, 887263747, 5034299169, 28513927121, 162089445027, 922536360293, 5273968531519, 30236181831043, 174184141284927, 1007162425272715, 5852489042303046, 34148843838375080, 200241641820235902 (list; graph; refs; listen; history; text; internal format)
OFFSET

8,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 8..1000

FORMULA

a(n) = A293738(n) - A293737(n).

CROSSREFS

Column k=8 of A293109.

Cf. A293737, A293738.

Sequence in context: A263816 A345143 A275917 * A263817 A288789 A033119

Adjacent sequences:  A293800 A293801 A293802 * A293804 A293805 A293806

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Oct 16 2017

STATUS

approved

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Last modified August 12 00:34 EDT 2022. Contains 356067 sequences. (Running on oeis4.)