A211861 - OEIS

A211861 as a simple table

n	a(n)
0	1
1	1
2	2
3	2
4	4
5	5
6	7
7	9
8	12
9	13
10	18
11	23
12	25
13	36
14	43
15	45
16	60
17	75
18	78
19	102
20	108
21	126
22	151
23	184
24	188
25	237
26	260
27	305
28	339
29	408
30	415
31	521
32	548
33	627
34	689
35	815
36	824
37	997
38	1050
39	1202
40	1287
41	1497
42	1537
43	1831
44	1903
45	2166
46	2288
47	2658
48	2721
49	3156
50	3274

[1,1,2,2,4,5,7,9,12,13,18,23,25,36,43,45,60,75,78, 102,108,126,151,184,188,237,260,305,339,408,415, 521,548,627,689,815,824,997,1050,1202,1287,1497, 1537,1831,1903,2166,2288,2658,2721,3156,3274]