A237535 Number of (n+1)X(4+1) 0..3 arrays with the upper median minus the lower median of every 2X2 subblock equal

83104, 4857060, 266120870, 15808900408, 924306101684, 55265390979178, 3305459406659964, 199510098055657088, 12080624520262702334, 735074852627156236784, 44859668256282656561688, 2745871351805467354744430

Offset

1,1

Comments

Column 4 of A237538

Links

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

Example

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

Crossrefs

Sequence in context: A234113 A237097 A206323 * A251112 A298437 A190385

Adjacent sequences: A237532 A237533 A237534 * A237536 A237537 A237538

Keyword

nonn

Author

R. H. Hardin, Feb 09 2014

Status

approved