A237867 Number of (n+1)X(7+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

453088, 14144254, 466228162, 16245005586, 524709935082, 17294230106544, 584650294058044, 19984640052472780, 658291169914743394, 21904913699484406216, 739180534221657607156, 25003488678659571481024

Offset

1,1

Comments

Column 7 of A237868

Links

R. H. Hardin, Table of n, a(n) for n = 1..14

Example

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

Crossrefs

Sequence in context: A203785 A134960 A134888 * A234427 A205024 A207299

Adjacent sequences: A237864 A237865 A237866 * A237868 A237869 A237870

Keyword

nonn

Author

R. H. Hardin, Feb 14 2014

Status

approved