A236644 Number of (n+1)X(4+1) 0..2 arrays colored with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock

21276, 642482, 19049512, 573664384, 17220590706, 518482030480, 15568191703124, 468096414192250, 14066154644663536, 422959492645344224, 12711721282314489690, 382104536723056184678, 11485058058919497694610

Offset

1,1

Comments

Column 4 of A236645

Links

R. H. Hardin, Table of n, a(n) for n = 1..67

Example

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

Crossrefs

Sequence in context: A345564 A345819 A345830 * A178282 A234408 A177857

Adjacent sequences: A236641 A236642 A236643 * A236645 A236646 A236647

Keyword

nonn

Author

R. H. Hardin, Jan 29 2014

Status

approved