login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A230066
Number of nX6 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value 2-x(i,j)
1
0, 1089, 31329, 6487209, 793041921, 114228452529, 15615593045649, 2168295406671681, 299696508681902721, 41479887674695304025, 5738727994104197560329, 794048592071068202106225
OFFSET
1,2
COMMENTS
Column 6 of A230068
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..1..2..1....0..2..1..0..0..0....1..0..1..0..0..0....2..1..0..1..0..0
..0..2..2..0..1..0....0..2..2..1..2..2....2..1..1..1..2..2....0..0..1..2..2..2
..0..2..0..0..2..1....0..2..0..0..1..0....1..0..1..1..0..0....2..2..0..0..0..0
CROSSREFS
Sequence in context: A023093 A001232 A039684 * A274755 A023101 A169977
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 08 2013
STATUS
approved