A348165 - OEIS

A348165 as a simple table

n	a(n)
0	1
1	1
2	0
3	0
4	1
5	2
6	0
7	0
8	2
9	4
10	0
11	0
12	19
13	29
14	0
15	0
16	127
17	208
18	0
19	0
20	1121
21	1917
22	0
23	0
24	10479
25	19360
26	0
27	0
28	113213
29	204121
30	0
31	0
32	1290968
33	2363982
34	0
35	0
36	15303057
37	28397538
38	0
39	0
40	187446097
41	351339307
42	0
43	0
44	2355979330
45	4455357992
46	0
47	0
48	30360404500
49	57630025172

[1,1,0,0,1,2,0,0,2,4,0,0,19,29,0,0,127,208,0,0, 1121,1917,0,0,10479,19360,0,0,113213,204121,0,0, 1290968,2363982,0,0,15303057,28397538,0,0, 187446097,351339307,0,0,2355979330,4455357992,0,0, 30360404500,57630025172]