A130816 - OEIS

A130816 as a simple table

n	a(n)
1	2
2	2
3	1
4	3
5	2
6	2
7	4
8	3
9	4
10	5
11	5
12	6
13	7
14	8
15	9
16	11
17	12
18	14
19	17
20	19
21	22
22	26
23	30
24	35
25	41
26	47
27	55
28	64
29	74
30	87
31	101
32	117
33	137
34	159
35	185
36	216
37	251
38	293
39	341
40	397
41	463
42	539
43	628
44	732
45	853
46	994
47	1158
48	1350
49	1573
50	1833
51	2136
52	2489
53	2901
54	3380
55	3939
56	4591
57	5349
58	6234
59	7265
60	8466

[2,2,1,3,2,2,4,3,4,5,5,6,7,8,9,11,12,14,17,19,22, 26,30,35,41,47,55,64,74,87,101,117,137,159,185, 216,251,293,341,397,463,539,628,732,853,994,1158, 1350,1573,1833,2136,2489,2901,3380,3939,4591,5349, 6234,7265,8466]