A285785 - OEIS

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A285785 as a simple table

n	a(n)
1	1
2	3
3	5
4	6
5	11
6	12
7	15
8	21
9	23
10	25
11	30
12	64
13	71
14	72
15	409
16	1491
17	1555
18	4469
19	5289
20	7002
21	16174
22	16485
23	68133
24	73853
25	134111

[1,3,5,6,11,12,15,21,23,25,30,64,71,72,409,1491, 1555,4469,5289,7002,16174,16485,68133,73853, 134111]