A035971 - OEIS

A035971 as a simple table

n	a(n)
1	1
2	1
3	2
4	3
5	4
6	6
7	8
8	11
9	15
10	20
11	26
12	35
13	45
14	58
15	75
16	96
17	120
18	153
19	191
20	239
21	297
22	368
23	453
24	559
25	683
26	834
27	1015
28	1233
29	1489
30	1800
31	2164
32	2599
33	3112
34	3720
35	4432
36	5278
37	6262
38	7422
39	8777
40	10365
41	12208
42	14368
43	16869
44	19783
45	23157
46	27073
47	31591
48	36831

[1,1,2,3,4,6,8,11,15,20,26,35,45,58,75,96,120,153, 191,239,297,368,453,559,683,834,1015,1233,1489, 1800,2164,2599,3112,3720,4432,5278,6262,7422,8777, 10365,12208,14368,16869,19783,23157,27073,31591, 36831]