A252977 - cp's OEIS frontend

A252977 Number of n X n nonnegative integer arrays with upper left 0 and lower right its king-move distance away minus 2 and every value increasing by 0 or 1 with every step right, diagonally se or down.

n	a(n)
1	0
2	0
3	1
4	68
5	4657
6	432842
7	60650883
8	13458882036
9	4857082197177
10	2895119784219358
11	2877300288177184239
12	4796057029604523514392
13	13457301734652492685623300
14	63707500883584152928303777296

[0, 0, 1, 68, 4657, 432842, 60650883, 13458882036, 4857082197177, 2895119784219358, 2877300288177184239, 4796057029604523514392, 13457301734652492685623300, 63707500883584152928303777296]

cp's OEIS Frontend

A252977 Number of n X n nonnegative integer arrays with upper left 0 and lower right its king-move distance away minus 2 and every value increasing by 0 or 1 with every step right, diagonally se or down.

Table of values

List of values