A226503 - OEIS

A226503 as a simple table

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	2
8	2
9	3
10	3
11	4
12	5
13	5
14	7
15	8
16	9
17	12
18	13
19	16
20	20
21	22
22	28
23	33
24	38
25	48
26	55
27	66
28	81
29	93
30	114
31	136
32	159
33	195
34	229
35	273
36	331
37	388
38	468
39	560
40	661
41	799
42	948
43	1129
44	1359
45	1609
46	1928
47	2307
48	2738
49	3287
50	3916
51	4666
52	5594
53	6654
54	7953
55	9510
56	11320
57	13547
58	16164

[1,1,1,1,1,2,2,2,3,3,4,5,5,7,8,9,12,13,16,20,22, 28,33,38,48,55,66,81,93,114,136,159,195,229,273, 331,388,468,560,661,799,948,1129,1359,1609,1928, 2307,2738,3287,3916,4666,5594,6654,7953,9510, 11320,13547,16164]