A287998 - OEIS

A287998 as a simple table

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	3
6	4
7	5
8	6
9	8
10	10
11	12
12	15
13	18
14	22
15	27
16	32
17	37
18	45
19	52
20	61
21	72
22	83
23	96
24	111
25	128
26	146
27	168
28	191
29	217
30	247
31	279
32	314
33	355
34	398
35	446
36	501
37	558
38	622
39	693
40	770
41	853
42	946
43	1045
44	1153
45	1273
46	1400
47	1538
48	1690
49	1852
50	2027
51	2219
52	2422
53	2642
54	2881
55	3136
56	3409

[1,1,1,2,2,3,4,5,6,8,10,12,15,18,22,27,32,37,45, 52,61,72,83,96,111,128,146,168,191,217,247,279, 314,355,398,446,501,558,622,693,770,853,946,1045, 1153,1273,1400,1538,1690,1852,2027,2219,2422,2642, 2881,3136,3409]