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A237103 Number of (n+1)X(3+1) 0..2 arrays with the maximum minus the upper median of every 2X2 subblock equal 1
1881, 39235, 848549, 20079181, 485177201, 11899510847, 293281801479, 7246691140947, 179233623871063, 4435034452955467, 109763297065189051, 2716780520543217999, 67246261190000231507, 1664519926327175700477 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A237108
LINKS
FORMULA
Empirical recurrence of order 54 (see link above)
EXAMPLE
Some solutions for n=2
..2..0..2..2....2..1..2..1....1..2..1..2....2..1..1..2....2..2..2..1
..1..2..2..1....2..2..2..2....2..0..2..2....2..2..2..2....2..2..2..2
..2..1..0..2....2..2..1..2....2..0..2..0....0..0..2..0....2..0..2..0
CROSSREFS
Sequence in context: A072494 A260137 A246478 * A222799 A252111 A259960
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 03 2014
STATUS
approved

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Last modified February 21 16:55 EST 2024. Contains 370237 sequences. (Running on oeis4.)