A008120 - OEIS

A008120 as a simple table

n	a(n)
0	1
1	4
2	12
3	18
4	34
5	62
6	88
7	110
8	132
9	196
10	254
11	278
12	312
13	382
14	486
15	540
16	574
17	652
18	754
19	868
20	938
21	1008
22	1116
23	1228
24	1364
25	1466
26	1562
27	1680
28	1808
29	1992
30	2126
31	2216
32	2348
33	2526
34	2750
35	2878
36	2978
37	3156
38	3364
39	3600
40	3744
41	3878
42	4086
43	4304
44	4564
45	4740
46	4900
47	5116

[1,4,12,18,34,62,88,110,132,196,254,278,312,382, 486,540,574,652,754,868,938,1008,1116,1228,1364, 1466,1562,1680,1808,1992,2126,2216,2348,2526,2750, 2878,2978,3156,3364,3600,3744,3878,4086,4304,4564, 4740,4900,5116]