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A235428
Number of (n+1)X(3+1) 0..3 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise
1
33610, 3874844, 439379938, 44578500538, 4199042223300, 363811777078888, 29522152843610792, 2259166952482232348, 164780478737968331028, 11536732655826361746056, 780631785944102462190274
OFFSET
1,1
COMMENTS
Column 3 of A235430
LINKS
EXAMPLE
Some solutions for n=1
..1..3..3..1....0..2..1..0....0..2..1..2....1..3..1..2....0..3..0..2
..2..1..0..3....0..0..0..2....2..1..3..2....2..2..2..3....2..1..2..3
CROSSREFS
Sequence in context: A116496 A235667 A235663 * A178280 A235745 A235504
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 10 2014
STATUS
approved