login
A196076
Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,3,2,1,4 for x=0,1,2,3,4
1
0, 2, 8, 60, 296, 1126, 4237, 24210, 91541, 440533, 1942297, 8497706, 37987962, 169158221, 750990638, 3344857959, 14827515754, 65958541835, 293291341441, 1303464660150, 5793684155190, 25748199147004, 114445600714047
OFFSET
1,2
COMMENTS
Every 0 is next to 0 0's, every 1 is next to 1 3's, every 2 is next to 2 2's, every 3 is next to 3 1's, every 4 is next to 4 4's
Column 6 of A196078
LINKS
EXAMPLE
Some solutions for n=4
..0..1..3..1..1..0....0..1..1..3..1..1....0..1..0..1..3..1....0..2..2..1..3..1
..2..2..1..1..3..1....1..3..1..1..1..3....1..3..1..1..1..0....1..2..2..0..1..1
..2..2..1..0..2..2....1..3..1..2..2..1....2..2..1..3..2..2....3..1..0..1..1..3
..0..1..3..1..2..2....0..1..0..2..2..0....2..2..0..1..2..2....1..0..1..3..1..1
CROSSREFS
Sequence in context: A181010 A197941 A295502 * A027278 A001415 A305730
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 27 2011
STATUS
approved