A318337 - cp's OEIS frontend

A318337 Number of n X n 0..1 arrays with every element unequal to 0, 1, 2 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

n	a(n)
1	1
2	6
3	20
4	67
5	393
6	4133
7	86487
8	3590263
9	285034170
10	43174729552
11	12383193287684
12	6712873423988949
13	6871475875643572553
14	13272675681120501977922
15	48367944991570243925176462
16	332490278773637201581189154380

[1, 6, 20, 67, 393, 4133, 86487, 3590263, 285034170, 43174729552, 12383193287684, 6712873423988949, 6871475875643572553, 13272675681120501977922, 48367944991570243925176462, 332490278773637201581189154380]

cp's OEIS Frontend

A318337 Number of n X n 0..1 arrays with every element unequal to 0, 1, 2 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

Table of values

List of values