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A183706 Number of (n+1)X6 0..3 arrays with every 2X2 subblock nonsingular 1
5263608, 9154058448, 15840740585184, 27440831422595136, 47524363124861668992, 82311212150455188873408, 142559496381482334039141888, 246907689712402743573482286144 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A183710

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..157

EXAMPLE

Some solutions for 3X6

..0..2..0..2..0..2....0..2..0..2..0..1....0..2..0..2..0..2....0..2..0..2..0..3

..2..0..2..0..2..1....1..0..2..0..2..0....3..0..2..0..2..0....2..0..2..0..2..3

..2..1..0..3..3..0....2..1..1..3..1..2....0..3..1..3..0..1....0..3..1..3..3..0

CROSSREFS

Sequence in context: A125780 A294988 A183746 * A236711 A184782 A116105

Adjacent sequences:  A183703 A183704 A183705 * A183707 A183708 A183709

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 06 2011

STATUS

approved

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Last modified November 26 21:07 EST 2021. Contains 349344 sequences. (Running on oeis4.)