A236733 Number of (n+1)X(4+1) 0..2 arrays with the upper median minus the lower median of every 2X2 subblock equal

6663, 131147, 2541745, 55635639, 1233474275, 28500435385, 665661690049, 15768609931211, 375569735335243, 8989526603612093, 215676078863399425, 5183740859875741691, 124709488532738105743, 3002226669923859228469

Offset

1,1

Comments

Column 4 of A236737

Links

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

Example

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

Crossrefs

Sequence in context: A233661 A131645 A186086 * A015310 A043516 A046410

Adjacent sequences: A236730 A236731 A236732 * A236734 A236735 A236736

Keyword

nonn

Author

R. H. Hardin, Jan 30 2014

Status

approved