A183134 - cp's OEIS frontend

A183134 Square array A(n,k) by antidiagonals. A(n,k) is the number of length 2n k-ary words (n,k>=0), either empty or beginning with the first character of the alphabet, that can be built by repeatedly inserting doublets into the initially empty word.

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	1
8	1
9	0
10	1
11	1
12	3
13	1
14	0
15	1
16	1
17	5
18	10
19	1
20	0
21	1
22	1
23	7
24	29
25	35
26	1
27	0
28	1
29	1
30	9
31	58
32	181
33	126
34	1
35	0
36	1
37	1
38	11
39	97
40	523
41	1181
42	462
43	1
44	0
45	1
46	1
47	13
48	146
49	1145
50	4966
51	7941
52	1716
53	1
54	0
55	1
56	1
57	15
58	205
59	2131
60	14289
61	48838
62	54573
63	6435
64	1
65	0

[1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 3, 1, 0, 1, 1, 5, 10, 1, 0, 1, 1, 7, 29, 35, 1, 0, 1, 1, 9, 58, 181, 126, 1, 0, 1, 1, 11, 97, 523, 1181, 462, 1, 0, 1, 1, 13, 146, 1145, 4966, 7941, 1716, 1, 0, 1, 1, 15, 205, 2131, 14289, 48838, 54573, 6435, 1, 0]

cp's OEIS Frontend

A183134 Square array A(n,k) by antidiagonals. A(n,k) is the number of length 2n k-ary words (n,k>=0), either empty or beginning with the first character of the alphabet, that can be built by repeatedly inserting doublets into the initially empty word.

Table of values

List of values