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.

1, 9, 82, 563, 3807, 23376, 142085, 829038, 4816390, 27477989, 156716051, 887263747, 5034299169, 28513927121, 162089445027, 922536360293, 5273968531519, 30236181831043, 174184141284927, 1007162425272715, 5852489042303046, 34148843838375080, 200241641820235902

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