A208673 - cp's OEIS frontend

A208673 Number of words A(n,k), either empty or beginning with the first letter of the 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	1
12	3
13	1
14	1
15	1
16	1
17	5
18	10
19	1
20	1
21	1
22	1
23	9
24	37
25	35
26	1
27	1
28	1
29	1
30	15
31	163
32	309
33	126
34	1
35	1
36	1
37	1
38	25
39	640
40	3593
41	2751
42	462
43	1
44	1
45	1
46	1
47	41
48	2503
49	36095
50	87501
51	25493
52	1716
53	1
54	1
55	1
56	1
57	67
58	9559
59	362617
60	2336376
61	2266155
62	242845
63	6435
64	1
65	1

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 5, 10, 1, 1, 1, 1, 9, 37, 35, 1, 1, 1, 1, 15, 163, 309, 126, 1, 1, 1, 1, 25, 640, 3593, 2751, 462, 1, 1, 1, 1, 41, 2503, 36095, 87501, 25493, 1716, 1, 1, 1, 1, 67, 9559, 362617, 2336376, 2266155, 242845, 6435, 1, 1]

cp's OEIS Frontend

A208673 Number of words A(n,k), either empty or beginning with the first letter of the 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