login
A229377
Number of nX5 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 diagonally or antidiagonally
1
164, 2138, 48490, 956866, 20014278, 407900408, 8454015792, 173331549156, 3583467036398, 73637531304764, 1520470917860158, 31281412038561736, 645413766480453102, 13287410455121938834, 274025926174436180190
OFFSET
1,1
COMMENTS
Column 5 of A229380
FORMULA
Empirical recurrence of order 64 (see link above)
EXAMPLE
Some solutions for n=3
..2..1..2..2..2....2..0..1..2..2....1..0..1..0..0....0..0..1..2..0
..0..0..0..0..1....1..2..2..0..0....2..1..2..2..2....2..2..2..1..0
..2..2..2..1..2....0..0..1..2..2....1..0..0..0..1....1..0..0..2..0
CROSSREFS
Sequence in context: A250935 A250928 A205314 * A209892 A264241 A229369
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 21 2013
STATUS
approved