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A199198
Number of nX5 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and every element equal to zero or two horizontal or vertical neighbors
0
6, 424, 17598, 341015, 86954982, 9746409872, 533423159945, 11692182169225
OFFSET
1,1
COMMENTS
Column 5 of A199201
EXAMPLE
Some solutions for n=4
..0..1..0..2..0....0..1..2..3..2....0..1..2..1..3....0..1..2..3..1
..1..0..3..1..2....1..3..0..2..3....1..2..0..3..0....1..3..0..2..3
..2..3..1..2..3....0..2..1..3..0....2..1..3..1..3....2..1..3..0..1
..3..0..3..1..2....1..3..0..2..1....0..3..2..0..2....0..2..0..2..3
CROSSREFS
Sequence in context: A273820 A162088 A199253 * A000410 A370961 A275686
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 03 2011
STATUS
approved