A247886 - OEIS

A247886 as a simple table

n	a(n)
1	2
2	4
3	5
4	8
5	10
6	11
7	14
8	20
9	23
10	32
11	34
12	46
13	47
14	62
15	136
16	179
17	208
18	209
19	229
20	311
21	340
22	406
23	692
24	1235
25	1349
26	2558
27	2651
28	2873
29	3794
30	7417
31	8647
32	8695
33	10004
34	13595
35	18658
36	21427
37	23120
38	43316

[2,4,5,8,10,11,14,20,23,32,34,46,47,62,136,179, 208,209,229,311,340,406,692,1235,1349,2558,2651, 2873,3794,7417,8647,8695,10004,13595,18658,21427, 23120,43316]