A294129 - cp's OEIS frontend

A294129 Numbers n for which exactly one length minimal language exists having exactly n nonempty words over a countably infinite 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)
1	0
2	1
3	3
4	7
5	17
6	43
7	119
8	351
9	1115
10	3735
11	13231
12	48927
13	189079
14	757583
15	3148063
16	13497599
17	59704335
18	271503647
19	1268817471
20	6078518911
21	29837183007
22	149789875903
23	768674514815
24	4026518397439
25	21518708975039
26	117199152735615
27	650184360936191
28	3670861106911743

[0, 1, 3, 7, 17, 43, 119, 351, 1115, 3735, 13231, 48927, 189079, 757583, 3148063, 13497599, 59704335, 271503647, 1268817471, 6078518911, 29837183007, 149789875903, 768674514815, 4026518397439, 21518708975039, 117199152735615, 650184360936191, 3670861106911743]

cp's OEIS Frontend

A294129 Numbers n for which exactly one length minimal language exists having exactly n nonempty words over a countably infinite 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