A236995 Number of (n+1)X(6+1) 0..2 arrays with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

144000, 4618944, 145732608, 5454273024, 192222720000, 6552043167744, 219711187058688, 8794294803431424, 328343912644608000, 11858362885859180544, 422546063726758330368, 17667796844559753805824

Offset

1,1

Comments

Column 6 of A236997

Links

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

Formula

Empirical: a(n) = 24*a(n-1) +6977664*a(n-4) -167463936*a(n-5) -16797664935936*a(n-8) +403143958462464*a(n-9) +16582288439072784384*a(n-12) -397974922537746825216*a(n-13) -5610108723948059923316736*a(n-16) +134642609374753438159601664*a(n-17)

Example

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

Crossrefs

Sequence in context: A180340 A004042 A145742 * A204641 A133324 A348808

Adjacent sequences: A236992 A236993 A236994 * A236996 A236997 A236998

Keyword

nonn

Author

R. H. Hardin, Feb 02 2014

Status

approved