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A197456
Number of n X 6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,0,2,2 for x=0,1,2,3,4.
1
8, 122, 923, 10758, 104318, 1097175, 11014567, 112906556, 1151692226, 11746179526, 119887238727, 1222862832433, 12477649526031, 127300836703227, 1298804091935221, 13251229266573000, 135196822837023688
OFFSET
1,1
COMMENTS
Every 0 is next to 0 3's, every 1 is next to 1 3's, every 2 is next to 2 0's, every 3 is next to 3 2's, every 4 is next to 4 2's.
Column 6 of A197457.
LINKS
EXAMPLE
Some solutions containing all values 0 to 4 for n=4
..0..1..0..0..0..0....0..1..0..2..0..2....2..0..0..0..2..0....0..2..0..0..0..2
..2..3..2..0..1..0....2..3..2..4..2..0....0..1..0..2..3..1....0..2..0..2..2..0
..0..2..4..2..3..2....0..2..0..2..4..2....2..3..2..4..2..0....2..4..2..1..3..2
..2..0..2..0..2..0....0..2..0..0..2..0....0..2..0..2..0..2....0..2..0..0..2..0
CROSSREFS
Cf. A197457.
Sequence in context: A243942 A365055 A196651 * A196341 A196320 A197305
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 15 2011
STATUS
approved