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A236814
Number of (n+1)X(3+1) 0..2 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock equal
1
1162, 10702, 98380, 956456, 9360398, 93804194, 947327860, 9682975968, 99543701888, 1030061727604, 10698831856789, 111533815357066, 1165405418509395, 12202784081035254, 127950763324803502
OFFSET
1,1
COMMENTS
Column 3 of A236819
FORMULA
Empirical recurrence of order 87 (see link above)
EXAMPLE
Some solutions for n=3
..0..2..0..2....2..2..0..2....1..0..2..2....0..0..0..2....0..0..0..0
..0..1..0..0....1..1..0..2....2..0..0..0....1..2..1..0....2..1..2..0
..2..0..2..2....1..2..0..0....2..0..2..1....2..1..2..0....1..1..2..0
..2..0..1..1....1..2..0..2....0..1..0..0....0..0..0..0....0..1..2..0
CROSSREFS
Sequence in context: A168248 A237205 A358868 * A152307 A224172 A223863
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 31 2014
STATUS
approved