A205457 - cp's OEIS frontend

A205457 Symmetric matrix, by antidiagonals: C(max(2i,2j),min(2i,2j)), i>=0, j>=0.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	6
9	6
10	1
11	1
12	15
13	1
14	15
15	1
16	1
17	28
18	15
19	15
20	28
21	1
22	1
23	45
24	70
25	1
26	70
27	45
28	1
29	1
30	66
31	210
32	28
33	28
34	210
35	66
36	1
37	1
38	91
39	495
40	210
41	1
42	210
43	495
44	91
45	1
46	1
47	120
48	1001
49	924
50	45
51	45
52	924
53	1001
54	120
55	1
56	1
57	153
58	1820
59	3003
60	495
61	1
62	495
63	3003
64	1820
65	153
66	1
67	1

[1, 1, 1, 1, 1, 1, 1, 6, 6, 1, 1, 15, 1, 15, 1, 1, 28, 15, 15, 28, 1, 1, 45, 70, 1, 70, 45, 1, 1, 66, 210, 28, 28, 210, 66, 1, 1, 91, 495, 210, 1, 210, 495, 91, 1, 1, 120, 1001, 924, 45, 45, 924, 1001, 120, 1, 1, 153, 1820, 3003, 495, 1, 495, 3003, 1820, 153, 1, 1]

cp's OEIS Frontend

A205457 Symmetric matrix, by antidiagonals: C(max(2i,2j),min(2i,2j)), i>=0, j>=0.

Table of values

List of values