A293886 - cp's OEIS frontend

A293886 Number of sets of nonempty words with a total of n letters over quinary alphabet containing the fifth letter 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)
5	1
6	6
7	36
8	172
9	813
10	3576
11	15647
12	66493
13	282063
14	1181554
15	4951592
16	20648077
17	86254964
18	359920291
19	1505749933
20	6305449303
21	26485669295
22	111485395542
23	470834817242
24	1993891398761
25	8472782274541
26	36113575773694
27	154458283438023
28	662716935400473
29	2853093892389838

[1, 6, 36, 172, 813, 3576, 15647, 66493, 282063, 1181554, 4951592, 20648077, 86254964, 359920291, 1505749933, 6305449303, 26485669295, 111485395542, 470834817242, 1993891398761, 8472782274541, 36113575773694, 154458283438023, 662716935400473, 2853093892389838]

cp's OEIS Frontend

A293886 Number of sets of nonempty words with a total of n letters over quinary alphabet containing the fifth letter 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