A045956 - OEIS

A045956 as a simple table

n	a(n)
1	4
2	6
3	12
4	20
5	22
6	36
7	44
8	52
9	54
10	70
11	100
12	102
13	116
14	118
15	132
16	140
17	150
18	172
19	198
20	214
21	230
22	246
23	262
24	300
25	310
26	326
27	374
28	388
29	390
30	420
31	436
32	438
33	518
34	524
35	534
36	548
37	588
38	598
39	630
40	644
41	646
42	708
43	710
44	716
45	740
46	742
47	780
48	870
49	884
50	886
51	916
52	964
53	966
54	996
55	998
56	1092

[4,6,12,20,22,36,44,52,54,70,100,102,116,118,132, 140,150,172,198,214,230,246,262,300,310,326,374, 388,390,420,436,438,518,524,534,548,588,598,630, 644,646,708,710,716,740,742,780,870,884,886,916, 964,966,996,998,1092]