A237757 - OEIS

A237757 as a simple table

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	3
11	4
12	5
13	6
14	8
15	9
16	11
17	13
18	16
19	18
20	22
21	25
22	30
23	35
24	41
25	47
26	56
27	64
28	75
29	86
30	100
31	114
32	133
33	151
34	174
35	198
36	227
37	257
38	295
39	333
40	379
41	428
42	486
43	547
44	620
45	696
46	786
47	882
48	993
49	1111
50	1250
51	1396
52	1565
53	1747
54	1954
55	2176
56	2431
57	2703
58	3013

[0,1,1,1,1,1,1,2,2,3,4,5,6,8,9,11,13,16,18,22,25, 30,35,41,47,56,64,75,86,100,114,133,151,174,198, 227,257,295,333,379,428,486,547,620,696,786,882, 993,1111,1250,1396,1565,1747,1954,2176,2431,2703, 3013]