A373101 - cp's OEIS frontend

A373101 Triangle read by rows, T(n,k) = (binomial(n,k)^3 - binomial(n,k))/6 for k=1..n-1 and n >= 2.

n	a(n)
2	1
3	4
4	4
5	10
6	35
7	10
8	20
9	165
10	165
11	20
12	35
13	560
14	1330
15	560
16	35
17	56
18	1540
19	7140
20	7140
21	1540
22	56
23	84
24	3654
25	29260
26	57155
27	29260
28	3654
29	84
30	120
31	7770
32	98770
33	333375
34	333375
35	98770
36	7770
37	120
38	165
39	15180
40	287980
41	1543465
42	2667126
43	1543465
44	287980
45	15180
46	165

[1, 4, 4, 10, 35, 10, 20, 165, 165, 20, 35, 560, 1330, 560, 35, 56, 1540, 7140, 7140, 1540, 56, 84, 3654, 29260, 57155, 29260, 3654, 84, 120, 7770, 98770, 333375, 333375, 98770, 7770, 120, 165, 15180, 287980, 1543465, 2667126, 1543465, 287980, 15180, 165]

cp's OEIS Frontend

A373101 Triangle read by rows, T(n,k) = (binomial(n,k)^3 - binomial(n,k))/6 for k=1..n-1 and n >= 2.

Table of values

List of values