A237393 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 equal

1314, 11988, 114034, 1153778, 11725568, 121195320, 1254144270, 13055041806, 135960274878, 1419318398112, 14820648065464, 154929381405724, 1619943647480112, 16948393645777084, 177359163174484402

Offset

1,1

Comments

Column 2 of A237398

Links

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

R. H. Hardin, Empirical recurrence of order 97

Formula

Empirical recurrence of order 97 (see link above)

Example

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

Crossrefs

Sequence in context: A223413 A333407 A221155 * A242151 A260765 A241962

Adjacent sequences: A237390 A237391 A237392 * A237394 A237395 A237396

Keyword

nonn

Author

R. H. Hardin, Feb 07 2014

Status

approved