A340412 - cp's OEIS frontend

A340412 Number of sets of nonempty words with a total of n letters over quinary alphabet such that within each word every letter of the alphabet is at least as frequent as the subsequent alphabet letter.

n	a(n)
0	1
1	1
2	3
3	13
4	60
5	326
6	1345
7	6228
8	29845
9	143899
10	732765
11	3412167
12	16623175
13	81624325
14	400892932
15	2018593583
16	9773821243
17	48292202375
18	239383150209
19	1186254809797
20	5960931333905
21	29322695430795
22	145800954979162
23	726137079681765
24	3616351096084351

[1, 1, 3, 13, 60, 326, 1345, 6228, 29845, 143899, 732765, 3412167, 16623175, 81624325, 400892932, 2018593583, 9773821243, 48292202375, 239383150209, 1186254809797, 5960931333905, 29322695430795, 145800954979162, 726137079681765, 3616351096084351]

cp's OEIS Frontend

A340412 Number of sets of nonempty words with a total of n letters over quinary alphabet such that within each word every letter of the alphabet is at least as frequent as the subsequent alphabet letter.

Table of values

List of values