A237808 Number of (n+1)X(7+1) 0..2 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock equal

276369, 17059551, 915038911, 57208751041, 3440879056209, 217547105268603, 13522001820784289, 857131064154284881, 53873576266589578065, 3415093418134452130313, 215556577041508194195723

Offset

1,1

Comments

Column 7 of A237809

Links

R. H. Hardin, Table of n, a(n) for n = 1..95

Example

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

Crossrefs

Sequence in context: A114664 A069372 A157839 * A271349 A295472 A162765

Adjacent sequences: A237805 A237806 A237807 * A237809 A237810 A237811

Keyword

nonn

Author

R. H. Hardin, Feb 13 2014

Status

approved