A237085 Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock equal

3274, 17636, 96104, 578486, 3497586, 22239606, 141915177, 938113698, 6226900258, 42501875752, 291504044435, 2045212080058, 14422851346945, 103578289234633, 747463538074593, 5471028802930662, 40213861941280150, 298769793896148614

Offset

1,1

Comments

Column 3 of A237090

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=3
..1..0..1..2....0..1..1..1....3..3..2..3....2..3..3..2....0..3..2..3
..2..3..2..3....1..2..0..2....3..2..0..2....1..2..2..1....1..2..1..2
..2..3..2..1....1..0..2..0....0..2..3..2....2..3..3..2....3..0..3..0
..3..2..3..0....2..1..1..1....2..3..1..3....0..1..1..2....3..0..3..0

Crossrefs

Sequence in context: A031820 A048959 A353140 * A260410 A223430 A307767

Adjacent sequences: A237082 A237083 A237084 * A237086 A237087 A237088

Keyword

nonn

Author

R. H. Hardin, Feb 03 2014

Status

approved