A264638 - cp's OEIS frontend

A264638 T(n,k)=Number of nXk arrays of permutations of 0..n*k-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 4.

n	a(n)
1	1
2	1
3	1
4	2
5	3
6	1
7	4
8	28
9	16
10	1
11	12
12	400
13	960
14	128
15	2
16	36
17	7776
18	107568
19	46656
20	1152
21	4
22	144
23	229392
24	21565440
25	71663616
26	4561920
27	12960
28	8
29	576
30	9082368
31	10027929600
32	229132800000
33	98288640000
34	829440000
35	269568
36	16
37	2880
38	481406976

[1, 1, 1, 2, 3, 1, 4, 28, 16, 1, 12, 400, 960, 128, 2, 36, 7776, 107568, 46656, 1152, 4, 144, 229392, 21565440, 71663616, 4561920, 12960, 8, 576, 9082368, 10027929600, 229132800000, 98288640000, 829440000, 269568, 16, 2880, 481406976]

cp's OEIS Frontend

A264638 T(n,k)=Number of nXk arrays of permutations of 0..n*k-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 4.

Table of values

List of values