A112851 - cp's OEIS frontend

A112851 a(n) = (n-1)n(n+1)(n+2)(2*n+1)/40.

n	a(n)
0	0
1	0
2	3
3	21
4	81
5	231
6	546
7	1134
8	2142
9	3762
10	6237
11	9867
12	15015
13	22113
14	31668
15	44268
16	60588
17	81396
18	107559
19	140049
20	179949
21	228459
22	286902
23	356730
24	439530
25	537030
26	651105
27	783783
28	937251
29	1113861
30	1316136
31	1546776
32	1808664
33	2104872
34	2438667
35	2813517
36	3233097

[0, 0, 3, 21, 81, 231, 546, 1134, 2142, 3762, 6237, 9867, 15015, 22113, 31668, 44268, 60588, 81396, 107559, 140049, 179949, 228459, 286902, 356730, 439530, 537030, 651105, 783783, 937251, 1113861, 1316136, 1546776, 1808664, 2104872, 2438667, 2813517, 3233097]

cp's OEIS Frontend

A112851 a(n) = (n-1)n(n+1)(n+2)(2*n+1)/40.

Table of values

List of values

cp's OEIS Frontend

A112851 a(n) = (n-1)*n*(n+1)*(n+2)*(2*n+1)/40.

Table of values

List of values

A112851 a(n) = (n-1)n(n+1)(n+2)(2*n+1)/40.