A208879 - cp's OEIS frontend

A208879 Number of words A(n,k), either empty or beginning with the first letter of the cyclic k-ary alphabet, where each letter of the alphabet occurs n times and letters of neighboring word positions are equal or neighbors in the alphabet; square array A(n,k), n>=0, k>=0, read by antidiagonals.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	2
12	3
13	1
14	1
15	1
16	2
17	30
18	10
19	1
20	1
21	1
22	2
23	62
24	560
25	35
26	1
27	1
28	1
29	2
30	114
31	2830
32	11550
33	126
34	1
35	1
36	1
37	2
38	202
39	12622
40	151686
41	252252
42	462
43	1
44	1
45	1
46	2
47	346
48	53768
49	1754954
50	8893482
51	5717712
52	1716
53	1
54	1

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 1, 2, 30, 10, 1, 1, 1, 2, 62, 560, 35, 1, 1, 1, 2, 114, 2830, 11550, 126, 1, 1, 1, 2, 202, 12622, 151686, 252252, 462, 1, 1, 1, 2, 346, 53768, 1754954, 8893482, 5717712, 1716, 1, 1]

cp's OEIS Frontend

A208879 Number of words A(n,k), either empty or beginning with the first letter of the cyclic k-ary alphabet, where each letter of the alphabet occurs n times and letters of neighboring word positions are equal or neighbors in the alphabet; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

List of values