login
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
OFFSET
5,2
LINKS
FORMULA
a(n) = A293735(n) - A293734(n).
CROSSREFS
Column k=5 of A293109.
Sequence in context: A047670 A338708 A129552 * A327611 A056338 A056328
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Oct 16 2017
STATUS
approved