A143453 - cp's OEIS frontend

A143453 Square array A(n,k) of numbers of length n ternary words with at least k 0-digits between any other digits (n,k >= 0), read by antidiagonals.

n	a(n)
0	1
1	1
2	3
3	1
4	3
5	9
6	1
7	3
8	5
9	27
10	1
11	3
12	5
13	11
14	81
15	1
16	3
17	5
18	7
19	21
20	243
21	1
22	3
23	5
24	7
25	13
26	43
27	729
28	1
29	3
30	5
31	7
32	9
33	23
34	85
35	2187
36	1
37	3
38	5
39	7
40	9
41	15
42	37
43	171
44	6561
45	1
46	3
47	5
48	7
49	9
50	11
51	25
52	63
53	341
54	19683
55	1
56	3
57	5
58	7
59	9
60	11
61	17
62	39
63	109
64	683
65	59049
66	1
67	3
68	5
69	7
70	9
71	11
72	13
73	27
74	57
75	183
76	1365
77	177147

[1, 1, 3, 1, 3, 9, 1, 3, 5, 27, 1, 3, 5, 11, 81, 1, 3, 5, 7, 21, 243, 1, 3, 5, 7, 13, 43, 729, 1, 3, 5, 7, 9, 23, 85, 2187, 1, 3, 5, 7, 9, 15, 37, 171, 6561, 1, 3, 5, 7, 9, 11, 25, 63, 341, 19683, 1, 3, 5, 7, 9, 11, 17, 39, 109, 683, 59049, 1, 3, 5, 7, 9, 11, 13, 27, 57, 183, 1365, 177147]

cp's OEIS Frontend

A143453 Square array A(n,k) of numbers of length n ternary words with at least k 0-digits between any other digits (n,k >= 0), read by antidiagonals.

Table of values

List of values