A239182 Number of (4+1)X(n+1) 0..2 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors

96, 4338, 130890, 4140964, 141857204, 4845741276, 164832769586, 5599418921698, 190195696304560, 6461159416603066, 219523090735636884, 7458704803405213070, 253417930428586993926, 8610020171945074510358, 292529883372379893547602

Offset

1,1

Comments

Row 4 of A239178

Links

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

Example

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

Crossrefs

Sequence in context: A240445 A229458 A285171 * A035150 A268871 A017812

Adjacent sequences: A239179 A239180 A239181 * A239183 A239184 A239185

Keyword

nonn

Author

R. H. Hardin, Mar 11 2014

Status

approved