A067418 - OEIS

A067418 as a simple table

n	a(n)
0	1
1	2
2	1
3	5
4	3
5	2
6	10
7	7
8	5
9	3
10	20
11	15
12	12
13	8
14	5
15	38
16	30
17	25
18	19
19	13
20	8
21	71
22	58
23	50
24	40
25	31
26	21
27	13
28	130
29	109
30	96
31	80
32	65
33	50
34	34
35	21
36	235
37	201
38	180
39	154
40	130
41	105
42	81
43	55
44	34
45	420
46	365
47	331
48	289
49	250
50	210
51	170
52	131
53	89
54	55
55	744
56	655
57	600
58	532
59	469
60	404
61	340
62	275
63	212
64	144
65	89
66	1308
67	1164
68	1075
69	965

[1,2,1,5,3,2,10,7,5,3,20,15,12,8,5,38,30,25,19,13, 8,71,58,50,40,31,21,13,130,109,96,80,65,50,34,21, 235,201,180,154,130,105,81,55,34,420,365,331,289, 250,210,170,131,89,55,744,655,600,532,469,404,340, 275,212,144,89,1308,1164,1075,965]