A237468 Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the lower median minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

6954, 99086, 1417638, 21134116, 309663940, 4493037466, 65361132006, 963521033936, 14101784196522, 205512527589358, 3000745020165556, 44025822065285190, 644030619009581892, 9404258309421483816

Offset

1,1

Comments

Column 4 of A237472

Links

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

Example

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

Crossrefs

Sequence in context: A072870 A183666 A252368 * A028542 A263287 A234111

Adjacent sequences: A237465 A237466 A237467 * A237469 A237470 A237471

Keyword

nonn

Author

R. H. Hardin, Feb 08 2014

Status

approved