A238051 Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the minimum minus the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

12352, 249664, 5166560, 107643264, 2246142916, 46940148128, 978607916368, 20366342381968, 425018025343492, 8883521543001864, 185210728399683652, 3854629980225887640, 80442685685640839192, 1681395591128610885784

Offset

1,1

Comments

Column 3 of A238054

Links

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

Example

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

Crossrefs

Sequence in context: A255964 A274247 A045080 * A234919 A183693 A096618

Adjacent sequences: A238048 A238049 A238050 * A238052 A238053 A238054

Keyword

nonn

Author

R. H. Hardin, Feb 17 2014

Status

approved