A238294 Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

1836, 23854, 315906, 4268354, 57285970, 765288116, 10243514512, 137637981750, 1846283781696, 24725132097080, 331342908417490, 4445026705220610, 59603288970762934, 798804042986151504, 10707950110350589226

Offset

1,1

Comments

Column 2 of A238298

Links

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

Example

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

Crossrefs

Sequence in context: A234492 A100970 A159202 * A274683 A231079 A257319

Adjacent sequences: A238291 A238292 A238293 * A238295 A238296 A238297

Keyword

nonn

Author

R. H. Hardin, Feb 23 2014

Status

approved