A302647 - cp's OEIS frontend

A302647 a(n) = (2n^2(n^2 - 3) - (2n^2 + 1)(-1)^n + 1)/64.

n	a(n)
1	0
2	0
3	2
4	6
5	18
6	36
7	72
8	120
9	200
10	300
11	450
12	630
13	882
14	1176
15	1568
16	2016
17	2592
18	3240
19	4050
20	4950
21	6050
22	7260
23	8712
24	10296
25	12168
26	14196
27	16562
28	19110
29	22050
30	25200
31	28800
32	32640
33	36992
34	41616
35	46818
36	52326
37	58482
38	64980
39	72200
40	79800
41	88200
42	97020
43	106722

[0, 0, 2, 6, 18, 36, 72, 120, 200, 300, 450, 630, 882, 1176, 1568, 2016, 2592, 3240, 4050, 4950, 6050, 7260, 8712, 10296, 12168, 14196, 16562, 19110, 22050, 25200, 28800, 32640, 36992, 41616, 46818, 52326, 58482, 64980, 72200, 79800, 88200, 97020, 106722]

cp's OEIS Frontend

A302647 a(n) = (2n^2(n^2 - 3) - (2n^2 + 1)(-1)^n + 1)/64.

Table of values

List of values

cp's OEIS Frontend

A302647 a(n) = (2*n^2*(n^2 - 3) - (2*n^2 + 1)*(-1)^n + 1)/64.

Table of values

List of values

A302647 a(n) = (2n^2(n^2 - 3) - (2n^2 + 1)(-1)^n + 1)/64.