A237213 Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock equal

1076, 6200, 37858, 246916, 1641592, 11208306, 77496396, 543475684, 3843695622, 27411717100, 196558480820, 1416700594198, 10246225750604, 74351085871528, 540708716072682, 3941098561371132, 28766596024526768, 210313864318348138

Offset

1,1

Comments

Column 2 of A237218

Links

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

R. H. Hardin, Empirical recurrence of order 58

Formula

Empirical recurrence of order 58 (see link above)

Example

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

Crossrefs

Sequence in context: A014364 A031779 A336781 * A235959 A235570 A278652

Adjacent sequences: A237210 A237211 A237212 * A237214 A237215 A237216

Keyword

nonn

Author

R. H. Hardin, Feb 05 2014

Status

approved