A128813 - cp's OEIS frontend

A128813 Triangle of coefficients of (x+1)(x+3)(x+6)...(x+n(n+1)/2).

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	3
6	1
7	10
8	27
9	18
10	1
11	20
12	127
13	288
14	180
15	1
16	35
17	427
18	2193
19	4500
20	2700
21	1
22	56
23	1162
24	11160
25	50553
26	97200
27	56700
28	1
29	84
30	2730
31	43696
32	363033
33	1512684
34	2778300
35	1587600
36	1
37	120
38	5754
39	141976
40	1936089
41	14581872
42	57234924
43	101606400
44	57153600

[1, 1, 1, 1, 4, 3, 1, 10, 27, 18, 1, 20, 127, 288, 180, 1, 35, 427, 2193, 4500, 2700, 1, 56, 1162, 11160, 50553, 97200, 56700, 1, 84, 2730, 43696, 363033, 1512684, 2778300, 1587600, 1, 120, 5754, 141976, 1936089, 14581872, 57234924, 101606400, 57153600]

cp's OEIS Frontend

A128813 Triangle of coefficients of (x+1)(x+3)(x+6)...(x+n(n+1)/2).

Table of values

List of values

cp's OEIS Frontend

A128813 Triangle of coefficients of (x+1)*(x+3)*(x+6)*...*(x+n(n+1)/2).

Table of values

List of values

A128813 Triangle of coefficients of (x+1)(x+3)(x+6)...(x+n(n+1)/2).