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A237845
Number of (n+1)X(3+1) 0..2 arrays with the maximum minus the lower median of every 2X2 subblock equal
1
1697, 31661, 581994, 11700943, 234481287, 4792713430, 97664853059, 2001409956781, 40948533459224, 839310420597363, 17190911268409065, 352324203188099624, 7218710610899687167, 147935261872175272819
OFFSET
1,1
COMMENTS
Column 3 of A237850
FORMULA
Empirical recurrence of order 70 (see link above)
EXAMPLE
Some solutions for n=2
..2..1..1..2....2..1..0..0....1..0..2..2....0..1..1..0....1..1..2..1
..1..0..2..0....2..1..0..1....1..2..1..1....1..2..1..2....2..2..1..2
..0..1..1..1....2..0..1..0....1..0..2..0....1..0..1..0....1..0..2..0
CROSSREFS
Sequence in context: A235182 A237170 A301985 * A340170 A083610 A020405
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 14 2014
STATUS
approved