A084021 - OEIS

A084021 as a simple table

n	a(n)
0	0
1	8
2	14
3	18
4	20
5	20
6	18
7	14
8	8
9	0
10	890
11	968
12	1044
13	1118
14	1190
15	1260
16	1328
17	1394
18	1458
19	1520
20	1580
21	1638
22	1694
23	1748
24	1800
25	1850
26	1898
27	1944
28	1988
29	2030
30	2070
31	2108
32	2144
33	2178
34	2210
35	2240
36	2268
37	2294
38	2318
39	2340
40	2360
41	2378
42	2394
43	2408
44	2420
45	2430
46	2438

[0,8,14,18,20,20,18,14,8,0,890,968,1044,1118,1190, 1260,1328,1394,1458,1520,1580,1638,1694,1748,1800, 1850,1898,1944,1988,2030,2070,2108,2144,2178,2210, 2240,2268,2294,2318,2340,2360,2378,2394,2408,2420, 2430,2438]