A233227 - cp's OEIS frontend

A233227 Number of nX5 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, diagonally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order.

n	a(n)
1	99
2	39203
3	21895530
4	12389989684
5	7027777888700
6	3987381898274165
7	2262465262533395122
8	1283750879072515499846
9	728417859359640269016202
10	413314485961750753937325815
11	234520446849081354380794520582

[99, 39203, 21895530, 12389989684, 7027777888700, 3987381898274165, 2262465262533395122, 1283750879072515499846, 728417859359640269016202, 413314485961750753937325815, 234520446849081354380794520582]

cp's OEIS Frontend

A233227 Number of nX5 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, diagonally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order.

Table of values

List of values