A113263 - OEIS

A113263 as a simple table

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	1
13	0
14	0
15	2
16	1
17	0
18	0
19	2
20	62
21	0
22	0
23	268
24	356
25	0
26	0
27	2287
28	1130
29	0
30	0
31	5317
32	36879
33	0
34	0
35	203016
36	319415
37	0
38	0
39	2124580
40	1631750
41	0
42	0
43	10953868
44	41280525
45	0
46	0
47	242899218
48	472958485
49	0
50	0
51	2984270739
52	3419746788
53	0
54	0

[0,0,0,0,0,0,0,0,0,0,0,1,0,0,2,1,0,0,2,62,0,0,268, 356,0,0,2287,1130,0,0,5317,36879,0,0,203016, 319415,0,0,2124580,1631750,0,0,10953868,41280525, 0,0,242899218,472958485,0,0,2984270739,3419746788, 0,0]