A238150 Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

10664, 165780, 2842692, 51036456, 961463420, 18066348584, 345494546192, 6395305423256, 122012216692790, 2294811925941656, 43937555414461856, 817171885471409680, 15610406616306032674, 292887836680612952740

Offset

1,1

Comments

Column 3 of A238155

Links

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

Example

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

Crossrefs

Sequence in context: A207261 A250524 A251062 * A006006 A151411 A023941

Adjacent sequences: A238147 A238148 A238149 * A238151 A238152 A238153

Keyword

nonn

Author

R. H. Hardin, Feb 18 2014

Status

approved