A281612 - OEIS

A281612 as a simple table

n	a(n)
1	0
2	0
3	0
4	1
5	1
6	3
7	4
8	8
9	12
10	20
11	28
12	45
13	62
14	92
15	127
16	181
17	244
18	340
19	452
20	614
21	809
22	1077
23	1401
24	1841
25	2371
26	3071
27	3923
28	5026
29	6363
30	8078
31	10149
32	12769
33	15939
34	19899
35	24676
36	30604
37	37726
38	46489
39	57007
40	69849
41	85211
42	103871
43	126119
44	152987
45	184955
46	223349
47	268898
48	323384
49	387830
50	464587
51	555168
52	662619
53	789084

[0,0,0,1,1,3,4,8,12,20,28,45,62,92,127,181,244, 340,452,614,809,1077,1401,1841,2371,3071,3923, 5026,6363,8078,10149,12769,15939,19899,24676, 30604,37726,46489,57007,69849,85211,103871,126119, 152987,184955,223349,268898,323384,387830,464587, 555168,662619,789084]