login
A186918
Number of (n+1)X5 0..3 arrays with every 2X2 subblock trace equal to exactly one or two horizontal and vertical neighbor 2X2 subblock traces
1
30976, 4615296, 394724320, 39825200832, 3861027028096, 380882328583712, 37393297725524928, 3676830716968217056, 361403949822499656288, 35524816137109522769760, 3492117188458641402526656
OFFSET
1,1
COMMENTS
Column 4 of A186923
LINKS
EXAMPLE
Some solutions for 3X5
..0..0..3..0..1....2..2..1..2..2....0..2..1..2..2....0..1..3..3..2
..2..0..0..0..3....2..2..1..2..0....2..2..1..2..1....2..2..1..3..3
..0..0..2..2..2....0..2..2..1..0....0..0..0..3..2....0..2..2..3..1
CROSSREFS
Sequence in context: A071124 A250590 A338948 * A185802 A102328 A157111
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 28 2011
STATUS
approved