A122175 - cp's OEIS frontend

A122175 Triangle, read by rows, where T(n,k) = C( k*(k+1)/2 + n-k, n-k) for n>=k>=0.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	4
9	1
10	1
11	4
12	10
13	7
14	1
15	1
16	5
17	20
18	28
19	11
20	1
21	1
22	6
23	35
24	84
25	66
26	16
27	1
28	1
29	7
30	56
31	210
32	286
33	136
34	22
35	1
36	1
37	8
38	84
39	462
40	1001
41	816
42	253
43	29
44	1
45	1
46	9
47	120
48	924
49	3003
50	3876
51	2024
52	435
53	37
54	1
55	1
56	10
57	165
58	1716
59	8008
60	15504
61	12650
62	4495
63	703
64	46
65	1
66	1
67	11
68	220

[1, 1, 1, 1, 2, 1, 1, 3, 4, 1, 1, 4, 10, 7, 1, 1, 5, 20, 28, 11, 1, 1, 6, 35, 84, 66, 16, 1, 1, 7, 56, 210, 286, 136, 22, 1, 1, 8, 84, 462, 1001, 816, 253, 29, 1, 1, 9, 120, 924, 3003, 3876, 2024, 435, 37, 1, 1, 10, 165, 1716, 8008, 15504, 12650, 4495, 703, 46, 1, 1, 11, 220]

cp's OEIS Frontend

A122175 Triangle, read by rows, where T(n,k) = C( k*(k+1)/2 + n-k, n-k) for n>=k>=0.

Table of values

List of values