A293744 - cp's OEIS frontend

A293744 Number of sets of nonempty words with a total of n letters over quinary alphabet such that within each prefix of a word every letter of the alphabet is at least as frequent as the subsequent alphabet letter.

n	a(n)
0	1
1	1
2	2
3	6
4	15
5	45
6	135
7	422
8	1357
9	4503
10	15301
11	53225
12	189070
13	684540
14	2522194
15	9441960
16	35867225
17	138080428
18	538155330
19	2121211604
20	8448577175
21	33974559322
22	137842934746
23	563885092371
24	2324435490519
25	9650120731330
26	40329864236526
27	169593208033062

[1, 1, 2, 6, 15, 45, 135, 422, 1357, 4503, 15301, 53225, 189070, 684540, 2522194, 9441960, 35867225, 138080428, 538155330, 2121211604, 8448577175, 33974559322, 137842934746, 563885092371, 2324435490519, 9650120731330, 40329864236526, 169593208033062]

cp's OEIS Frontend

A293744 Number of sets of nonempty words with a total of n letters over quinary alphabet such that within each prefix of a word every letter of the alphabet is at least as frequent as the subsequent alphabet letter.

Table of values

List of values