A107105 - cp's OEIS frontend

A107105 Triangle, read by rows, where T(n,k) = C(n,k)*(C(n,k) + 1)/2, n>=k>=0.

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	6
8	6
9	1
10	1
11	10
12	21
13	10
14	1
15	1
16	15
17	55
18	55
19	15
20	1
21	1
22	21
23	120
24	210
25	120
26	21
27	1
28	1
29	28
30	231
31	630
32	630
33	231
34	28
35	1
36	1
37	36
38	406
39	1596
40	2485
41	1596
42	406
43	36
44	1
45	1
46	45
47	666
48	3570
49	8001
50	8001
51	3570
52	666
53	45
54	1
55	1
56	55
57	1035
58	7260
59	22155
60	31878
61	22155
62	7260

[1, 1, 1, 1, 3, 1, 1, 6, 6, 1, 1, 10, 21, 10, 1, 1, 15, 55, 55, 15, 1, 1, 21, 120, 210, 120, 21, 1, 1, 28, 231, 630, 630, 231, 28, 1, 1, 36, 406, 1596, 2485, 1596, 406, 36, 1, 1, 45, 666, 3570, 8001, 8001, 3570, 666, 45, 1, 1, 55, 1035, 7260, 22155, 31878, 22155, 7260]

cp's OEIS Frontend

A107105 Triangle, read by rows, where T(n,k) = C(n,k)*(C(n,k) + 1)/2, n>=k>=0.

Table of values

List of values