A236818 Number of (n+1)X(7+1) 0..2 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock equal

307321, 17221539, 947327860, 60011383119, 3864575378035, 259816398739966, 17618985802053806, 1211073956028846315, 83483742398439663501, 5780759617802840054529, 400577105983988319369802

Offset

1,1

Comments

Column 7 of A236819

Links

R. H. Hardin, Table of n, a(n) for n = 1..45

Example

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

Crossrefs

Sequence in context: A237950 A116888 A270764 * A234188 A226364 A359846

Adjacent sequences: A236815 A236816 A236817 * A236819 A236820 A236821

Keyword

nonn

Author

R. H. Hardin, Jan 31 2014

Status

approved