A237920 Number of (n+1)X(6+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

2591160, 115206520, 5873296416, 319272033708, 16925434187136, 916442021543680, 49330571235798640, 2672359389881231804, 144785715080142316784

Offset

1,1

Comments

Column 6 of A237921

Links

Table of n, a(n) for n=1..9.

Example

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

Crossrefs

Sequence in context: A259563 A151938 A186049 * A317615 A250706 A269281

Adjacent sequences: A237917 A237918 A237919 * A237921 A237922 A237923

Keyword

nonn

Author

R. H. Hardin, Feb 15 2014

Status

approved