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%I #4 Oct 18 2017 19:01:52
%S 1,11,121,992,7948,57368,407495,2762306,18558261,121903562,797628339,
%T 5164110575,33416303576,215354872472,1390196456927,8971242266557,
%U 58072455010621,376619368091666,2452238779936085,16018094650161058,105103750467074777,692390137170794830
%N Number of sets of nonempty words with a total of n letters over denary alphabet containing the tenth 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="/A293891/b293891.txt">Table of n, a(n) for n = 10..1000</a>
%F a(n) = A293749(n) - A293748(n).
%Y Column k=10 of A293113.
%Y Cf. A293748, A293749.
%K nonn
%O 10,2
%A _Alois P. Heinz_, Oct 18 2017
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