A237210 Number of (n+1)X(7+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal

2899672, 268073808, 19305898426, 1999471396100, 174915940209829, 18626989825961382, 1753155965502960984, 191933190731923382612, 18788583913809663199435, 2107861171964701202223083

Offset

1,1

Comments

Column 7 of A237211

Links

Table of n, a(n) for n=1..10.

Example

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

Crossrefs

Sequence in context: A237944 A101768 A101769 * A209795 A246054 A251247

Adjacent sequences: A237207 A237208 A237209 * A237211 A237212 A237213

Keyword

nonn

Author

R. H. Hardin, Feb 05 2014

Status

approved