A237507 Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

5622, 50876, 462206, 4882448, 52177092, 519582770, 5108133318, 52155298022, 537071054554, 5420999342862, 54393533093146, 551833483245856, 5620112241265276, 56889163783976186, 574408442415242094

Offset

1,1

Comments

Column 4 of A237511

Links

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

Example

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

Crossrefs

Sequence in context: A074242 A376949 A032737 * A198164 A058003 A202098

Adjacent sequences: A237504 A237505 A237506 * A237508 A237509 A237510

Keyword

nonn

Author

R. H. Hardin, Feb 08 2014

Status

approved