A122177 - cp's OEIS frontend

A122177 Triangle, read by rows, where T(n,k) = C( k*(k+1)/2 + n-k + 2, n-k) for n>=k>=0.

n	a(n)
0	1
1	3
2	1
3	6
4	4
5	1
6	10
7	10
8	6
9	1
10	15
11	20
12	21
13	9
14	1
15	21
16	35
17	56
18	45
19	13
20	1
21	28
22	56
23	126
24	165
25	91
26	18
27	1
28	36
29	84
30	252
31	495
32	455
33	171
34	24
35	1
36	45
37	120
38	462
39	1287
40	1820
41	1140
42	300
43	31
44	1
45	55
46	165
47	792
48	3003
49	6188
50	5985
51	2600
52	496
53	39
54	1
55	66
56	220
57	1287
58	6435
59	18564
60	26334

[1, 3, 1, 6, 4, 1, 10, 10, 6, 1, 15, 20, 21, 9, 1, 21, 35, 56, 45, 13, 1, 28, 56, 126, 165, 91, 18, 1, 36, 84, 252, 495, 455, 171, 24, 1, 45, 120, 462, 1287, 1820, 1140, 300, 31, 1, 55, 165, 792, 3003, 6188, 5985, 2600, 496, 39, 1, 66, 220, 1287, 6435, 18564, 26334]

cp's OEIS Frontend

A122177 Triangle, read by rows, where T(n,k) = C( k*(k+1)/2 + n-k + 2, n-k) for n>=k>=0.

Table of values

List of values