A238142 Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

12981, 292176, 6799917, 160133604, 3756442630, 88011173220, 2067349618435, 48473348771212, 1137529676425732, 26670004318339992, 626193786703761388, 14680761625172316224, 344614066748843613158, 8079594620572921715820

Offset

1,1

Comments

Column 3 of A238145

Links

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

Example

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

Crossrefs

Sequence in context: A190468 A028385 A335742 * A190947 A203910 A354510

Adjacent sequences: A238139 A238140 A238141 * A238143 A238144 A238145

Keyword

nonn

Author

R. H. Hardin, Feb 18 2014

Status

approved