A199335 - OEIS

A199335 as a simple table

n	a(n)
0	1
1	0
2	2
3	0
4	2
5	4
6	0
7	2
8	14
9	8
10	0
11	2
12	36
13	66
14	16
15	0
16	2
17	82
18	342
19	262
20	32
21	0
22	2
23	176
24	1436
25	2416
26	946
27	64
28	0
29	2
30	366
31	5364
32	16844
33	14394
34	3222
35	128
36	0
37	2
38	748
39	18654
40	99560
41	156190
42	76908
43	10562
44	256

[1,0,2,0,2,4,0,2,14,8,0,2,36,66,16,0,2,82,342,262, 32,0,2,176,1436,2416,946,64,0,2,366,5364,16844, 14394,3222,128,0,2,748,18654,99560,156190,76908, 10562,256]