A209093 - cp's OEIS frontend

A209093 Number of n X n 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors.

n	a(n)
1	1
2	11
3	1326
4	849548
5	2896732704
6	52675800891748
7	5112092569118325704
8	2648032740541890194825808
9	7321189749687647765176559002512
10	108035622217854017447945402727365754008

[1, 11, 1326, 849548, 2896732704, 52675800891748, 5112092569118325704, 2648032740541890194825808, 7321189749687647765176559002512, 108035622217854017447945402727365754008]

cp's OEIS Frontend

A209093 Number of n X n 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors.

Table of values

List of values