A223793 Number of 6Xn 0..2 arrays with rows, diagonals and antidiagonals unimodal

729, 531441, 48302789, 1026135371, 11150023974, 82093381460, 478507693443, 2431894894768, 11344157673659, 49637341916982, 205245174369997, 804275933241975, 2993676733618967, 10612510462313603, 35930784248755558

Offset

1,1

Comments

Row 6 of A223789

Links

R. H. Hardin, Table of n, a(n) for n = 1..24

Example

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

Crossrefs

Sequence in context: A223330 A228976 A016950 * A223979 A223574 A184692

Adjacent sequences: A223790 A223791 A223792 * A223794 A223795 A223796

Keyword

nonn

Author

R. H. Hardin Mar 27 2013

Status

approved