A304883 - OEIS

A304883 as a simple table

n	a(n)
0	1
1	1
2	2
3	2
4	3
5	4
6	5
7	7
8	9
9	11
10	14
11	17
12	21
13	26
14	32
15	39
16	47
17	56
18	67
19	80
20	95
21	113
22	133
23	156
24	183
25	214
26	250
27	291
28	338
29	391
30	452
31	521
32	600
33	690
34	791
35	906
36	1035
37	1181
38	1346
39	1532
40	1741
41	1975
42	2238
43	2532
44	2862
45	3231
46	3643
47	4103
48	4615
49	5186
50	5822
51	6529
52	7315
53	8187
54	9154

[1,1,2,2,3,4,5,7,9,11,14,17,21,26,32,39,47,56,67, 80,95,113,133,156,183,214,250,291,338,391,452,521, 600,690,791,906,1035,1181,1346,1532,1741,1975, 2238,2532,2862,3231,3643,4103,4615,5186,5822,6529, 7315,8187,9154]