A131022 - cp's OEIS frontend

A131022 Triangular array T read by rows: T(j,1) = 1 for ((j-1) mod 6) < 3, else 0; T(j,k) = T(j-1,k-1) + T(j,k-1) for 2 <= k <= j.

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	4
7	0
8	1
9	3
10	7
11	0
12	0
13	1
14	4
15	11
16	0
17	0
18	0
19	1
20	5
21	16
22	1
23	1
24	1
25	1
26	2
27	7
28	23
29	1
30	2
31	3
32	4
33	5
34	7
35	14
36	37
37	1
38	2
39	4
40	7
41	11
42	16
43	23
44	37
45	74
46	0
47	1
48	3
49	7
50	14
51	25
52	41
53	64
54	101
55	175
56	0
57	0
58	1
59	4
60	11
61	25
62	50
63	91
64	155
65	256
66	431
67	0
68	0
69	0
70	1
71	5
72	16
73	41
74	91
75	182
76	337
77	593
78	1024

[1, 1, 2, 1, 2, 4, 0, 1, 3, 7, 0, 0, 1, 4, 11, 0, 0, 0, 1, 5, 16, 1, 1, 1, 1, 2, 7, 23, 1, 2, 3, 4, 5, 7, 14, 37, 1, 2, 4, 7, 11, 16, 23, 37, 74, 0, 1, 3, 7, 14, 25, 41, 64, 101, 175, 0, 0, 1, 4, 11, 25, 50, 91, 155, 256, 431, 0, 0, 0, 1, 5, 16, 41, 91, 182, 337, 593, 1024]

cp's OEIS Frontend

A131022 Triangular array T read by rows: T(j,1) = 1 for ((j-1) mod 6) < 3, else 0; T(j,k) = T(j-1,k-1) + T(j,k-1) for 2 <= k <= j.

Table of values

List of values