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A236776
Number of (n+1)X(2+1) 0..2 arrays colored with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock
1
474, 4170, 36260, 315666, 2750070, 24023328, 209304200, 1823484380, 15890176976, 138601000818, 1208141839194, 10529035857142, 91766648504242, 800062878156980, 6974266520901384, 60789422316274248, 529857104228127312
OFFSET
1,1
COMMENTS
Column 2 of A236780
FORMULA
Empirical recurrence of order 62 (see link above)
EXAMPLE
Some solutions for n=3
..2..2..2....1..1..0....2..2..0....1..2..0....1..2..1....0..2..0....1..2..1
..1..2..2....1..0..2....0..0..0....0..2..2....2..2..1....2..0..0....0..1..1
..1..0..1....1..0..2....0..2..1....2..0..1....0..0..1....0..0..0....2..0..1
..0..2..1....2..0..0....2..0..1....2..1..1....2..0..0....2..2..0....2..2..0
CROSSREFS
Sequence in context: A045302 A187612 A237679 * A236636 A104649 A165463
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 31 2014
STATUS
approved