A294005 - cp's OEIS frontend

A294005 Number of multisets of exactly three nonempty words with a total of n letters over n-ary 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)
3	1
4	2
5	7
6	22
7	68
8	218
9	721
10	2438
11	8491
12	30478
13	112524
14	428382
15	1678600
16	6778708
17	28169286
18	120516092
19	530081370
20	2396797920
21	11125584584
22	52993063796
23	258676491628
24	1293160049244
25	6612750833996
26	34564483264256
27	184470133103464
28	1004514566402816

[1, 2, 7, 22, 68, 218, 721, 2438, 8491, 30478, 112524, 428382, 1678600, 6778708, 28169286, 120516092, 530081370, 2396797920, 11125584584, 52993063796, 258676491628, 1293160049244, 6612750833996, 34564483264256, 184470133103464, 1004514566402816]

cp's OEIS Frontend

A294005 Number of multisets of exactly three nonempty words with a total of n letters over n-ary 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