A340414 - cp's OEIS frontend

A340414 Number of sets of nonempty words with a total of n letters over septenary 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	2065
7	14508
8	76525
9	454819
10	2718885
11	16777767
12	107808655
13	697287805
14	4748992600
15	29397584111
16	190989109387
17	1239766891439
18	8159345112885
19	54161955000133
20	360150593097845
21	2454684519628143
22	16056425089104526
23	107300319826659573

[1, 1, 3, 13, 60, 326, 2065, 14508, 76525, 454819, 2718885, 16777767, 107808655, 697287805, 4748992600, 29397584111, 190989109387, 1239766891439, 8159345112885, 54161955000133, 360150593097845, 2454684519628143, 16056425089104526, 107300319826659573]

cp's OEIS Frontend

A340414 Number of sets of nonempty words with a total of n letters over septenary 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