A189355 - cp's OEIS frontend

A189355 T(n,k) is the number of n X k array permutations with each element moving one space diagonally, horizontally or vertically.

n	a(n)
1	0
2	1
3	1
4	0
5	4
6	0
7	1
8	13
9	13
10	1
11	0
12	45
13	48
14	45
15	0
16	1
17	160
18	557
19	557
20	160
21	1
22	0
23	565
24	3632
25	12592
26	3632
27	565
28	0
29	1
30	2005
31	30769
32	237297
33	237297
34	30769
35	2005
36	1
37	0
38	7108
39	229248
40	4791913
41	10252800
42	4791913
43	229248
44	7108
45	0
46	1
47	25209
48	1815601
49	94635005

[0, 1, 1, 0, 4, 0, 1, 13, 13, 1, 0, 45, 48, 45, 0, 1, 160, 557, 557, 160, 1, 0, 565, 3632, 12592, 3632, 565, 0, 1, 2005, 30769, 237297, 237297, 30769, 2005, 1, 0, 7108, 229248, 4791913, 10252800, 4791913, 229248, 7108, 0, 1, 25209, 1815601, 94635005]

cp's OEIS Frontend

A189355 T(n,k) is the number of n X k array permutations with each element moving one space diagonally, horizontally or vertically.

Table of values

List of values