A171621 - cp's OEIS frontend

A171621 Numerator of 1/4 - 1/n^2, each fourth term multiplied by 4.

n	a(n)
2	0
3	5
4	3
5	21
6	8
7	45
8	15
9	77
10	24
11	117
12	35
13	165
14	48
15	221
16	63
17	285
18	80
19	357
20	99
21	437
22	120
23	525
24	143
25	621
26	168
27	725
28	195
29	837
30	224
31	957
32	255
33	1085
34	288
35	1221
36	323
37	1365
38	360
39	1517
40	399
41	1677
42	440
43	1845
44	483
45	2021
46	528

[0, 5, 3, 21, 8, 45, 15, 77, 24, 117, 35, 165, 48, 221, 63, 285, 80, 357, 99, 437, 120, 525, 143, 621, 168, 725, 195, 837, 224, 957, 255, 1085, 288, 1221, 323, 1365, 360, 1517, 399, 1677, 440, 1845, 483, 2021, 528]

cp's OEIS Frontend

A171621 Numerator of 1/4 - 1/n^2, each fourth term multiplied by 4.

Table of values

List of values