A292474 - OEIS

A292474 as a simple table

n	a(n)
0	1
1	0
2	0
3	0
4	0
5	0
6	2
7	2
8	4
9	0
10	2
11	4
12	4
13	0
14	30
15	46
16	78
17	0
18	210
19	366
20	644
21	0
22	2032
23	3696
24	6694
25	0
26	21936
27	39886
28	73098
29	0
30	246172
31	454074
32	841714
33	0
34	2899542
35	5401222
36	10073398
37	0
38	35282910
39	66213604
40	124427582
41	0
42	441326270
43	832775792
44	1573861942
45	0
46	5642205488

[1,0,0,0,0,0,2,2,4,0,2,4,4,0,30,46,78,0,210,366, 644,0,2032,3696,6694,0,21936,39886,73098,0,246172, 454074,841714,0,2899542,5401222,10073398,0, 35282910,66213604,124427582,0,441326270,832775792, 1573861942,0,5642205488]