A018189 - OEIS

A018189 as a simple table

n	a(n)
0	1
1	2
2	4
3	6
4	12
5	16
6	32
7	44
8	86
9	98
10	172
11	196
12	300
13	302
14	426
15	474
16	656
17	704
18	986
19	956
20	1180
21	1230
22	1562
23	1530
24	1918
25	2000
26	2622
27	2638
28	3294
29	3244
30	4048
31	3876
32	4970
33	4886
34	5680
35	6072
36	6406
37	6590
38	7590
39	7434
40	8134
41	8404
42	10154
43	9938
44	11958

[1,2,4,6,12,16,32,44,86,98,172,196,300,302,426, 474,656,704,986,956,1180,1230,1562,1530,1918,2000, 2622,2638,3294,3244,4048,3876,4970,4886,5680,6072, 6406,6590,7590,7434,8134,8404,10154,9938,11958]