A039865 - OEIS

A039865 as a simple table

n	a(n)
1	1
2	1
3	1
4	2
5	3
6	4
7	6
8	9
9	11
10	14
11	18
12	28
13	37
14	46
15	57
16	75
17	99
18	127
19	158
20	199
21	251
22	316
23	391
24	492
25	609
26	753
27	915
28	1123
29	1386
30	1698
31	2062
32	2484
33	3001
34	3654
35	4409
36	5311
37	6329
38	7575
39	9087
40	10860
41	12938
42	15331
43	18177
44	21587
45	25528

[1,1,1,2,3,4,6,9,11,14,18,28,37,46,57,75,99,127, 158,199,251,316,391,492,609,753,915,1123,1386, 1698,2062,2484,3001,3654,4409,5311,6329,7575,9087, 10860,12938,15331,18177,21587,25528]