A235980 Number of (n+1)X(7+1) 0..2 arrays with the upper median equal to the lower median in every 2X2 subblock

354015, 44112111, 4798700327, 636000634655, 82270776987717, 11092727310560751, 1487588729246707713, 201149401548574576491, 27165441057301472088543, 3674737831623458795230537

Offset

1,1

Comments

Column 7 of A235981

Links

R. H. Hardin, Table of n, a(n) for n = 1..85

Example

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

Crossrefs

Sequence in context: A179709 A186217 A237411 * A169806 A203876 A378473

Adjacent sequences: A235977 A235978 A235979 * A235981 A235982 A235983

Keyword

nonn

Author

R. H. Hardin, Jan 17 2014

Status

approved