A355423 - OEIS

A355423 as a simple table

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	3
8	2
9	0
10	1
11	6
12	14
13	5
14	0
15	1
16	10
17	50
18	81
19	15
20	0
21	1
22	15
23	130
24	504
25	551
26	52
27	0
28	1
29	21
30	280
31	2000
32	5870
33	4266
34	203
35	0
36	1
37	28
38	532
39	6075
40	35054
41	76872
42	36803
43	877
44	0
45	1
46	36
47	924
48	15435
49	148429
50	684000
51	1111646
52	348543
53	4140
54	0

[1,1,0,1,1,0,1,3,2,0,1,6,14,5,0,1,10,50,81,15,0,1, 15,130,504,551,52,0,1,21,280,2000,5870,4266,203,0, 1,28,532,6075,35054,76872,36803,877,0,1,36,924, 15435,148429,684000,1111646,348543,4140,0]