A281129 - OEIS

A281129 as a simple table

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	1
7	2
8	28
9	28
10	2
11	8
12	208
13	574
14	208
15	8
16	28
17	1364
18	5590
19	5590
20	1364
21	28
22	94
23	8354
24	48828
25	75668
26	48828
27	8354
28	94
29	304
30	48992
31	394202
32	923678
33	923678
34	394202
35	48992
36	304
37	960
38	278966
39	3042893
40	10441416
41	15835126
42	10441416
43	3042893
44	278966
45	960

[0,0,0,1,2,1,2,28,28,2,8,208,574,208,8,28,1364, 5590,5590,1364,28,94,8354,48828,75668,48828,8354, 94,304,48992,394202,923678,923678,394202,48992, 304,960,278966,3042893,10441416,15835126,10441416, 3042893,278966,960]