A239174 - OEIS

A239174

Number of (n+1)X(4+1) 0..2 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors

378, 3358, 142884, 4140964, 127574544, 3901908720, 119751372066, 3664449484670, 112283408888432, 3440153090631050, 105372547404353366, 3228095751643325026, 98891535699178971328, 3029394603374423030318, 92803263177905303702730

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

OFFSET

1,1

COMMENTS

Column 4 of A239178

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A071624 A058041 A224337 * A235761 A154078 A047632

Adjacent sequences: A239171 A239172 A239173 * A239175 A239176 A239177

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 11 2014

STATUS

approved