A218902 Number of 6Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..1 6Xn array.

64, 244, 4700, 35812, 463746, 4575512, 52413310, 560696174, 6215491022, 67904677040, 747179229166, 8201691157406, 90124453206806, 990167833005856, 10878984112533098, 119537916859104756, 1313402969442315846

Offset

1,1

Comments

Row 6 of A218897

Links

R. H. Hardin, Table of n, a(n) for n = 1..55

Example

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

Crossrefs

Sequence in context: A333428 A197605 A198071 * A197905 A223315 A263924

Adjacent sequences: A218899 A218900 A218901 * A218903 A218904 A218905

Keyword

nonn

Author

R. H. Hardin, Nov 08 2012

Status

approved