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A251306
Number of (n+1)X(6+1) 0..3 arrays with no 2X2 subblock having the sum of its diagonal elements less than the maximum of its antidiagonal elements
1
42010273, 144740268503, 490318888438553, 1661155660245079699, 5630923998265406722615, 19086544089749117279820644, 64691402985380930946801585128, 219262663801594343256152022742493
OFFSET
1,1
COMMENTS
Column 6 of A251308
LINKS
EXAMPLE
Some solutions for n=1
..0..0..1..2..3..2..1....2..0..1..3..2..3..3....0..0..1..1..3..3..0
..0..0..1..3..3..2..3....0..0..1..2..1..3..1....0..0..1..1..3..2..3
CROSSREFS
Sequence in context: A130681 A261658 A274812 * A198168 A218109 A263561
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 01 2014
STATUS
approved