A098523 - OEIS

A098523 as a simple table

n	a(n)
0	1
1	1
2	2
3	2
4	2
5	3
6	4
7	6
8	8
9	10
10	13
11	17
12	23
13	31
14	41
15	54
16	71
17	94
18	125
19	166
20	220
21	291
22	385
23	510
24	676
25	896
26	1187
27	1572
28	2082
29	2758
30	3654
31	4841
32	6413
33	8495
34	11253
35	14907
36	19748
37	26161
38	34656
39	45909
40	60816
41	80564
42	106725
43	141381
44	187290
45	248106

[1,1,2,2,2,3,4,6,8,10,13,17,23,31,41,54,71,94,125, 166,220,291,385,510,676,896,1187,1572,2082,2758, 3654,4841,6413,8495,11253,14907,19748,26161,34656, 45909,60816,80564,106725,141381,187290,248106]