A293800 - OEIS

%I #4 Oct 16 2017 11:41:35

%S 1,6,37,178,852,3767,16576,70635,300433,1260163,5287178,22058377,

%T 92181691,384663989,1609206870,6737170404,28291573975,119043337521,

%U 502559706310,2127305239457,9035671605064,38494638887783,164564824326835,705742561369640,3036895648331815

%N 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.

%H Alois P. Heinz, <a href="/A293800/b293800.txt">Table of n, a(n) for n = 5..1000</a>

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

%Y Column k=5 of A293109.

%Y Cf. A293734, A293735.

%K nonn

%O 5,2

%A _Alois P. Heinz_, Oct 16 2017