A001621 - cp's OEIS frontend

A001621 a(n) = n(n + 1)(n^2 + n + 2)/4.

n	a(n)
0	0
1	2
2	12
3	42
4	110
5	240
6	462
7	812
8	1332
9	2070
10	3080
11	4422
12	6162
13	8372
14	11130
15	14520
16	18632
17	23562
18	29412
19	36290
20	44310
21	53592
22	64262
23	76452
24	90300
25	105950
26	123552
27	143262
28	165242
29	189660
30	216690
31	246512
32	279312
33	315282
34	354620
35	397530
36	444222
37	494912
38	549822

[0, 2, 12, 42, 110, 240, 462, 812, 1332, 2070, 3080, 4422, 6162, 8372, 11130, 14520, 18632, 23562, 29412, 36290, 44310, 53592, 64262, 76452, 90300, 105950, 123552, 143262, 165242, 189660, 216690, 246512, 279312, 315282, 354620, 397530, 444222, 494912, 549822]

cp's OEIS Frontend

A001621 a(n) = n(n + 1)(n^2 + n + 2)/4.

Table of values

List of values

cp's OEIS Frontend

A001621 a(n) = n*(n + 1)*(n^2 + n + 2)/4.

Table of values

List of values

A001621 a(n) = n(n + 1)(n^2 + n + 2)/4.