A122890 - OEIS

A122890 as a simple table

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	2
6	0
7	0
8	1
9	5
10	0
11	0
12	0
13	10
14	14
15	0
16	0
17	0
18	8
19	70
20	42
21	0
22	0
23	0
24	4
25	160
26	424
27	132
28	0
29	0
30	0
31	1
32	250
33	1978
34	2382
35	429
36	0
37	0
38	0
39	0
40	302
41	6276
42	19508
43	12804
44	1430
45	0
46	0
47	0
48	0
49	298
50	15674
51	106492
52	168608
53	66946
54	4862
55	0
56	0
57	0
58	0
59	244
60	33148
61	451948
62	1445208
63	1337684
64	343772
65	16796

[1,0,1,0,0,2,0,0,1,5,0,0,0,10,14,0,0,0,8,70,42,0, 0,0,4,160,424,132,0,0,0,1,250,1978,2382,429,0,0,0, 0,302,6276,19508,12804,1430,0,0,0,0,298,15674, 106492,168608,66946,4862,0,0,0,0,244,33148,451948, 1445208,1337684,343772,16796]