A063328 - OEIS

A063328 as a simple table

n	a(n)
2	-1
3	79
4	190
5	298
6	406
7	514
8	622
9	730
10	838
11	946
12	1054
13	1166
14	1270
15	1378
16	1486
17	1598
18	1702
19	1814
20	1918
21	2030
22	2134
23	2246
24	2350
25	2466
26	2566
27	2678
28	2782
29	2898
30	2998
31	3114
32	3214
33	3330
34	3430
35	3546
36	3646
37	3766
38	3862
39	3978
40	4078
41	4198
42	4294

[-1,79,190,298,406,514,622,730,838,946,1054,1166, 1270,1378,1486,1598,1702,1814,1918,2030,2134,2246, 2350,2466,2566,2678,2782,2898,2998,3114,3214,3330, 3430,3546,3646,3766,3862,3978,4078,4198,4294]