A236870 Number of (n+1)X(3+1) 0..2 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock equal

1069, 8117, 61750, 499947, 4012441, 32940090, 268846043, 2216853503, 18216556210, 150477516769, 1240690559877, 10259513722704, 84762104506229, 701528936685551, 5804293594811230, 48079083329705563, 398255771368619943

Offset

1,1

Comments

Column 3 of A236875

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical recurrence of order 96

Formula

Empirical recurrence of order 96 (see link above)

Example

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

Crossrefs

Sequence in context: A095673 A252569 A020386 * A345904 A252256 A345525

Adjacent sequences: A236867 A236868 A236869 * A236871 A236872 A236873

Keyword

nonn

Author

R. H. Hardin, Feb 01 2014

Status

approved