A067993 - OEIS

A067993 as a simple table

n	a(n)
1	1
2	2
3	4
4	6
5	18
6	10
7	20
8	32
9	38
10	42
11	44
12	64
13	104
14	110
15	118
16	134
17	144
18	148
19	264
20	252
21	266
22	270
23	272
24	412
25	418
26	432
27	438
28	442
29	444
30	498
31	530
32	586
33	712
34	720
35	722
36	730
37	744
38	1014
39	1020
40	1024
41	1026
42	1042
43	1154
44	1158
45	1160
46	1172
47	1174
48	1178
49	1516
50	1482

[1,2,4,6,18,10,20,32,38,42,44,64,104,110,118,134, 144,148,264,252,266,270,272,412,418,432,438,442, 444,498,530,586,712,720,722,730,744,1014,1020, 1024,1026,1042,1154,1158,1160,1172,1174,1178,1516, 1482]