A194726 - cp's OEIS frontend

A194726 Number of 6-ary words either empty or beginning with the first character of the alphabet, that can be built by inserting n doublets into the initially empty word.

n	a(n)
0	1
1	1
2	11
3	146
4	2131
5	32966
6	530526
7	8786436
8	148733571
9	2561439806
10	44731364266
11	790211926076
12	14095578557486
13	253519929631996
14	4592415708939356
15	83709533881191816
16	1534227271236577251
17	28256420350942562286
18	522675506718404898546
19	9706083027629177910156

[1, 1, 11, 146, 2131, 32966, 530526, 8786436, 148733571, 2561439806, 44731364266, 790211926076, 14095578557486, 253519929631996, 4592415708939356, 83709533881191816, 1534227271236577251, 28256420350942562286, 522675506718404898546, 9706083027629177910156]

cp's OEIS Frontend

A194726 Number of 6-ary words either empty or beginning with the first character of the alphabet, that can be built by inserting n doublets into the initially empty word.

Table of values

List of values