A129370 - cp's OEIS frontend

A129370 a(n) = n^2 - (n-1)^2*(1 - (-1)^n)/8.

n	a(n)
0	0
1	1
2	4
3	8
4	16
5	21
6	36
7	40
8	64
9	65
10	100
11	96
12	144
13	133
14	196
15	176
16	256
17	225
18	324
19	280
20	400
21	341
22	484
23	408
24	576
25	481
26	676
27	560
28	784
29	645
30	900
31	736
32	1024
33	833
34	1156
35	936
36	1296
37	1045
38	1444
39	1160
40	1600
41	1281
42	1764
43	1408

[0, 1, 4, 8, 16, 21, 36, 40, 64, 65, 100, 96, 144, 133, 196, 176, 256, 225, 324, 280, 400, 341, 484, 408, 576, 481, 676, 560, 784, 645, 900, 736, 1024, 833, 1156, 936, 1296, 1045, 1444, 1160, 1600, 1281, 1764, 1408]

cp's OEIS Frontend

A129370 a(n) = n^2 - (n-1)^2*(1 - (-1)^n)/8.

Table of values

List of values