A209183 - cp's OEIS frontend

A209183 Number of words, either empty or beginning with the first letter of the cyclic 4-ary alphabet, where each letter of the alphabet occurs n times and letters of neighboring word positions are equal or neighbors in the alphabet.

n	a(n)
0	1
1	2
2	62
3	2830
4	151686
5	8893482
6	552309938
7	35702836038
8	2377145582550
9	161906392007554
10	11227409430866262
11	790011772823243214
12	56264746328351077194
13	4048156319577916177530
14	293797748889879887735802
15	21483000387938509658756790
16	1581177100760460768472276086

[1, 2, 62, 2830, 151686, 8893482, 552309938, 35702836038, 2377145582550, 161906392007554, 11227409430866262, 790011772823243214, 56264746328351077194, 4048156319577916177530, 293797748889879887735802, 21483000387938509658756790, 1581177100760460768472276086]

cp's OEIS Frontend

A209183 Number of words, either empty or beginning with the first letter of the cyclic 4-ary alphabet, where each letter of the alphabet occurs n times and letters of neighboring word positions are equal or neighbors in the alphabet.

Table of values

List of values