A067835 - OEIS

A067835 as a simple table

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	3
6	4
7	6
8	7
9	9
10	10
11	13
12	15
13	19
14	21
15	24
16	29
17	34
18	39
19	45
20	51
21	57
22	66
23	76
24	86
25	96
26	108
27	120
28	134
29	150
30	170
31	189
32	208
33	228
34	253
35	278
36	310
37	342
38	375
39	409
40	449
41	494
42	544
43	595
44	645
45	699
46	761
47	834
48	909
49	986
50	1069
51	1153
52	1247
53	1356
54	1473
55	1589
56	1710
57	1841

[1,1,1,2,2,3,4,6,7,9,10,13,15,19,21,24,29,34,39, 45,51,57,66,76,86,96,108,120,134,150,170,189,208, 228,253,278,310,342,375,409,449,494,544,595,645, 699,761,834,909,986,1069,1153,1247,1356,1473,1589, 1710,1841]