A144331 - cp's OEIS frontend

A144331 Triangle b(n,k) for n >= 0, 0 <= k <= 2n, read by rows. See A144299 for definition and properties.

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	0
6	1
7	3
8	3
9	0
10	0
11	0
12	1
13	6
14	15
15	15
16	0
17	0
18	0
19	0
20	1
21	10
22	45
23	105
24	105
25	0
26	0
27	0
28	0
29	0
30	1
31	15
32	105
33	420
34	945
35	945
36	0
37	0
38	0
39	0
40	0
41	0
42	1
43	21
44	210
45	1260
46	4725
47	10395
48	10395
49	0
50	0
51	0
52	0
53	0
54	0
55	0
56	1
57	28
58	378
59	3150
60	17325
61	62370
62	135135
63	135135
64	0
65	0
66	0
67	0
68	0
69	0

[1, 0, 1, 1, 0, 0, 1, 3, 3, 0, 0, 0, 1, 6, 15, 15, 0, 0, 0, 0, 1, 10, 45, 105, 105, 0, 0, 0, 0, 0, 1, 15, 105, 420, 945, 945, 0, 0, 0, 0, 0, 0, 1, 21, 210, 1260, 4725, 10395, 10395, 0, 0, 0, 0, 0, 0, 0, 1, 28, 378, 3150, 17325, 62370, 135135, 135135, 0, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A144331 Triangle b(n,k) for n >= 0, 0 <= k <= 2n, read by rows. See A144299 for definition and properties.

Table of values

List of values