A236613 - OEIS

A236613

Number of (n+1)X(3+1) 0..2 arrays colored with the maximum plus the upper median of every 2X2 subblock

1885, 17114, 147683, 1064688, 8747914, 75546260, 676215558, 5559284940, 47828701612, 413368542268, 3663194767350, 30670143612032, 265325487282310, 2282779070568664, 20059511297301622, 169553173100367000

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 3 of A236618

LINKS

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

EXAMPLE

Some solutions for n=3

..0..0..2..2....0..0..1..0....1..2..0..1....0..0..2..0....2..0..0..0

..1..0..1..0....0..2..1..1....2..0..0..2....0..1..1..2....2..1..0..2

..1..0..0..2....1..1..2..0....0..0..0..0....2..1..1..1....1..0..1..1

..2..0..2..0....0..0..1..2....1..0..2..2....1..2..1..0....1..0..0..0

CROSSREFS

Sequence in context: A252111 A259960 A338705 * A190133 A029564 A235295

Adjacent sequences: A236610 A236611 A236612 * A236614 A236615 A236616

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 29 2014

STATUS

approved