A107972 - cp's OEIS frontend

A107972 Triangle read by rows: T(n,k) = (k+1)(k+2)(n+2)(3n-2k+3)/12 for 0<=k<=n.

n	a(n)
0	1
1	3
2	6
3	6
4	14
5	20
6	10
7	25
8	40
9	50
10	15
11	39
12	66
13	90
14	105
15	21
16	56
17	98
18	140
19	175
20	196
21	28
22	76
23	136
24	200
25	260
26	308
27	336
28	36
29	99
30	180
31	270
32	360
33	441
34	504
35	540
36	45
37	125
38	230
39	350
40	475
41	595
42	700
43	780
44	825
45	55
46	154
47	286
48	440
49	605
50	770
51	924
52	1056
53	1155
54	1210
55	66
56	186
57	348

[1, 3, 6, 6, 14, 20, 10, 25, 40, 50, 15, 39, 66, 90, 105, 21, 56, 98, 140, 175, 196, 28, 76, 136, 200, 260, 308, 336, 36, 99, 180, 270, 360, 441, 504, 540, 45, 125, 230, 350, 475, 595, 700, 780, 825, 55, 154, 286, 440, 605, 770, 924, 1056, 1155, 1210, 66, 186, 348]

cp's OEIS Frontend

A107972 Triangle read by rows: T(n,k) = (k+1)(k+2)(n+2)(3n-2k+3)/12 for 0<=k<=n.

Table of values

List of values