A234931 - OEIS

A234931 as a simple table

n	a(n)
0	1
1	0
2	0
3	0
4	2
5	0
6	0
7	0
8	4
9	0
10	8
11	0
12	16
13	0
14	40
15	0
16	64
17	16
18	200
19	96
20	504
21	464
22	1528
23	1664
24	4376
25	5616
26	12792
27	18192
28	38264
29	58384
30	115832
31	186368
32	355808
33	589344
34	1095408
35	1853664
36	3383656
37	5802016
38	10470376
39	18125280
40	32461312
41	56552736
42	100782696
43	176318464

[1,0,0,0,2,0,0,0,4,0,8,0,16,0,40,0,64,16,200,96, 504,464,1528,1664,4376,5616,12792,18192,38264, 58384,115832,186368,355808,589344,1095408,1853664, 3383656,5802016,10470376,18125280,32461312, 56552736,100782696,176318464]