A071270 - cp's OEIS frontend

A071270 a(n) = n^2(2n^2 + 1)/3.

n	a(n)
0	0
1	1
2	12
3	57
4	176
5	425
6	876
7	1617
8	2752
9	4401
10	6700
11	9801
12	13872
13	19097
14	25676
15	33825
16	43776
17	55777
18	70092
19	87001
20	106800
21	129801
22	156332
23	186737
24	221376
25	260625
26	304876
27	354537
28	410032
29	471801
30	540300
31	616001
32	699392
33	790977
34	891276
35	1000825
36	1120176

[0, 1, 12, 57, 176, 425, 876, 1617, 2752, 4401, 6700, 9801, 13872, 19097, 25676, 33825, 43776, 55777, 70092, 87001, 106800, 129801, 156332, 186737, 221376, 260625, 304876, 354537, 410032, 471801, 540300, 616001, 699392, 790977, 891276, 1000825, 1120176]

cp's OEIS Frontend

A071270 a(n) = n^2(2n^2 + 1)/3.

Table of values

List of values

cp's OEIS Frontend

A071270 a(n) = n^2*(2*n^2 + 1)/3.

Table of values

List of values

A071270 a(n) = n^2(2n^2 + 1)/3.