A220107 Number of nX2 arrays of the minimum or maximum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nX2 array

16, 256, 4020, 64862, 1029672, 16468836, 262860066, 4196749396, 66990470720, 1069337677856, 17068363712016, 272432545268580, 4348295522399446, 69402425537376422, 1107712590346165536, 17679808823449832756

Offset

1,1

Comments

Column 2 of A220109

Links

R. H. Hardin, Table of n, a(n) for n = 1..99

Example

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

Crossrefs

Sequence in context: A227592 A206840 A222932 * A171290 A136577 A190134

Adjacent sequences: A220104 A220105 A220106 * A220108 A220109 A220110

Keyword

nonn

Author

R. H. Hardin Dec 05 2012

Status

approved