A216865 - OEIS

A216865 as a simple table

n	a(n)
0	8
1	8
2	-8
3	8
4	8
5	40
6	56
7	104
8	136
9	200
10	248
11	328
12	392
13	488
14	568
15	680
16	776
17	904
18	1016
19	1160
20	1288
21	1448
22	1592
23	1768
24	1928
25	2120
26	2296
27	2504
28	2696
29	2920
30	3128
31	3368
32	3592
33	3848
34	4088
35	4360
36	4616
37	4904
38	5176
39	5480
40	5768
41	6088
42	6392
43	6728
44	7048
45	7400
46	7736

[8,8,-8,8,8,40,56,104,136,200,248,328,392,488,568, 680,776,904,1016,1160,1288,1448,1592,1768,1928, 2120,2296,2504,2696,2920,3128,3368,3592,3848,4088, 4360,4616,4904,5176,5480,5768,6088,6392,6728,7048, 7400,7736]