A222313 - OEIS

A222313 as a simple table

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	15
7	17
8	33
9	41
10	55
11	57
12	65
13	70
14	105
15	129
16	257
17	273
18	385
19	561
20	897
21	969
22	1001
23	1105
24	1353
25	1430
26	1785
27	2049
28	2145
29	2337
30	2665
31	3553
32	4097
33	4305
34	4745
35	4845
36	5633
37	6105
38	6545
39	8193
40	8385

[1,2,3,5,6,15,17,33,41,55,57,65,70,105,129,257, 273,385,561,897,969,1001,1105,1353,1430,1785,2049, 2145,2337,2665,3553,4097,4305,4745,4845,5633,6105, 6545,8193,8385]