A226288 - cp's OEIS frontend

A226288 T(n,k) = [n/2]![(n+1)/2]!C([n/2],k-1)*C([(n+1)/2],k-1).

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	2
7	0
8	0
9	4
10	4
11	0
12	0
13	0
14	16
15	12
16	0
17	0
18	0
19	4
20	72
21	36
22	0
23	0
24	0
25	0
26	36
27	324
28	144
29	0
30	0
31	0
32	0
33	0
34	324
35	1728
36	576
37	0
38	0
39	0
40	0
41	0
42	36
43	2592
44	9216
45	2880
46	0
47	0
48	0
49	0
50	0
51	0
52	576
53	20736
54	57600
55	14400
56	0
57	0
58	0
59	0
60	0
61	0
62	0
63	9216
64	172800
65	360000
66	86400
67	0
68	0
69	0
70	0
71	0
72	0
73	0
74	576
75	115200
76	1440000
77	2592000
78	518400

[1, 0, 1, 0, 1, 2, 0, 0, 4, 4, 0, 0, 0, 16, 12, 0, 0, 0, 4, 72, 36, 0, 0, 0, 0, 36, 324, 144, 0, 0, 0, 0, 0, 324, 1728, 576, 0, 0, 0, 0, 0, 36, 2592, 9216, 2880, 0, 0, 0, 0, 0, 0, 576, 20736, 57600, 14400, 0, 0, 0, 0, 0, 0, 0, 9216, 172800, 360000, 86400, 0, 0, 0, 0, 0, 0, 0, 576, 115200, 1440000, 2592000, 518400]

cp's OEIS Frontend

A226288 T(n,k) = [n/2]![(n+1)/2]!C([n/2],k-1)*C([(n+1)/2],k-1).

Table of values

List of values

cp's OEIS Frontend

A226288 T(n,k) = [n/2]!*[(n+1)/2]!*C([n/2],k-1)*C([(n+1)/2],k-1).

Table of values

List of values

A226288 T(n,k) = [n/2]![(n+1)/2]!C([n/2],k-1)*C([(n+1)/2],k-1).