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A293800 Number of multisets of nonempty words with a total of n letters over quinary alphabet containing the fifth 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, 6, 37, 178, 852, 3767, 16576, 70635, 300433, 1260163, 5287178, 22058377, 92181691, 384663989, 1609206870, 6737170404, 28291573975, 119043337521, 502559706310, 2127305239457, 9035671605064, 38494638887783, 164564824326835, 705742561369640, 3036895648331815 (list; graph; refs; listen; history; text; internal format)
OFFSET

5,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 5..1000

FORMULA

a(n) = A293735(n) - A293734(n).

CROSSREFS

Column k=5 of A293109.

Cf. A293734, A293735.

Sequence in context: A097297 A047670 A129552 * A327611 A056338 A056328

Adjacent sequences:  A293797 A293798 A293799 * A293801 A293802 A293803

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Oct 16 2017

STATUS

approved

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Last modified October 23 14:54 EDT 2019. Contains 328345 sequences. (Running on oeis4.)