A238547 - OEIS

A238547 as a simple table

n	a(n)
1	0
2	1
3	1
4	2
5	2
6	3
7	3
8	6
9	6
10	10
11	13
12	18
13	22
14	33
15	38
16	52
17	65
18	85
19	102
20	135
21	161
22	208
23	252
24	316
25	381
26	481
27	574
28	711
29	855
30	1049
31	1252
32	1532
33	1820
34	2207
35	2624
36	3156
37	3740
38	4486
39	5291
40	6308
41	7436
42	8824
43	10363
44	12258
45	14356
46	16912
47	19774
48	23202
49	27056
50	31671
51	36833

[0,1,1,2,2,3,3,6,6,10,13,18,22,33,38,52,65,85,102, 135,161,208,252,316,381,481,574,711,855,1049,1252, 1532,1820,2207,2624,3156,3740,4486,5291,6308,7436, 8824,10363,12258,14356,16912,19774,23202,27056, 31671,36833]