A236274 Number of (n+1)X(4+1) 0..2 arrays with the upper median unequal to the lower median in every 2X2 subblock

5328, 137142, 3604782, 98027150, 2691633954, 74525190422, 2069437793694, 57582849812178, 1603546636521534, 44677821271613598, 1245075012786694322, 34702027677942876454, 967250238298071442758, 26961060977602280871738

Offset

1,1

Comments

Column 4 of A236278

Links

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

R. H. Hardin, Empirical recurrence of order 65

Formula

Empirical recurrence of order 65 (see link above)

Example

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

Crossrefs

Sequence in context: A252199 A317917 A187853 * A278895 A317918 A031571

Adjacent sequences: A236271 A236272 A236273 * A236275 A236276 A236277

Keyword

nonn

Author

R. H. Hardin, Jan 21 2014

Status

approved