A036818 - OEIS

A036818 as a simple table

n	a(n)
1	0
2	1
3	1
4	1
5	2
6	2
7	3
8	4
9	4
10	8
11	6
12	11
13	12
14	14
15	22
16	21
17	30
18	36
19	39
20	59
21	57
22	80
23	92
24	105
25	142
26	148
27	193
28	225
29	252
30	334
31	349
32	447
33	513
34	582
35	735
36	793
37	977
38	1126
39	1269
40	1573
41	1702
42	2071
43	2363
44	2673
45	3233
46	3541
47	4221
48	4816
49	5421
50	6474
51	7104
52	8382
53	9505
54	10705
55	12592
56	13888
57	16185
58	18317
59	20557
60	23966

[0,1,1,1,2,2,3,4,4,8,6,11,12,14,22,21,30,36,39,59, 57,80,92,105,142,148,193,225,252,334,349,447,513, 582,735,793,977,1126,1269,1573,1702,2071,2363, 2673,3233,3541,4221,4816,5421,6474,7104,8382,9505, 10705,12592,13888,16185,18317,20557,23966]