A100711 - OEIS

A100711 as a simple table

n	a(n)
1	1
2	2
3	0
4	6
5	5
6	0
7	24
8	14
9	0
10	0
11	120
12	54
13	23
14	0
15	0
16	720
17	264
18	86
19	0
20	0
21	0
22	5040
23	1560
24	414
25	119
26	0
27	0
28	0
29	40320
30	10800
31	2424
32	566
33	0
34	0
35	0
36	0
37	85680
38	16680
39	3294
40	719
41	0
42	0
43	0
44	131760
45	22584
46	4166
47	0
48	0
49	0
50	177960
51	28494
52	5039
53	0
54	0
55	224184
56	34406
57	0
58	0
59	270414
60	40319
61	0

[1,2,0,6,5,0,24,14,0,0,120,54,23,0,0,720,264,86,0, 0,0,5040,1560,414,119,0,0,0,40320,10800,2424,566, 0,0,0,0,85680,16680,3294,719,0,0,0,131760,22584, 4166,0,0,0,177960,28494,5039,0,0,224184,34406,0,0, 270414,40319,0]