A100926 - OEIS

A100926 as a simple table

n	a(n)
1	1
2	0
3	1
4	1
5	2
6	2
7	3
8	4
9	5
10	6
11	8
12	10
13	12
14	15
15	18
16	23
17	27
18	33
19	40
20	48
21	57
22	69
23	81
24	97
25	113
26	134
27	157
28	184
29	214
30	250
31	290
32	337
33	389
34	451
35	519
36	598
37	688
38	789
39	904
40	1035
41	1181
42	1348
43	1535
44	1746
45	1983
46	2250
47	2549
48	2885
49	3261
50	3682
51	4154
52	4680
53	5268
54	5923
55	6656
56	7468

[1,0,1,1,2,2,3,4,5,6,8,10,12,15,18,23,27,33,40,48, 57,69,81,97,113,134,157,184,214,250,290,337,389, 451,519,598,688,789,904,1035,1181,1348,1535,1746, 1983,2250,2549,2885,3261,3682,4154,4680,5268,5923, 6656,7468]