A390488 - OEIS

A390488 as a simple table

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	3
6	4
7	4
8	5
9	6
10	8
11	8
12	9
13	10
14	13
15	14
16	17
17	18
18	21
19	22
20	26
21	28
22	35
23	38
24	44
25	48
26	56
27	59
28	70
29	75
30	86
31	96
32	111
33	120
34	141
35	155
36	177
37	196
38	222
39	243
40	277
41	305
42	342
43	381
44	430
45	473
46	535
47	595
48	665
49	740
50	828
51	916
52	1026
53	1137
54	1265
55	1402
56	1562
57	1726
58	1920
59	2123

[1,1,1,2,2,3,4,4,5,6,8,8,9,10,13,14,17,18,21,22, 26,28,35,38,44,48,56,59,70,75,86,96,111,120,141, 155,177,196,222,243,277,305,342,381,430,473,535, 595,665,740,828,916,1026,1137,1265,1402,1562,1726, 1920,2123]