login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A183709 Number of (n+1)X9 0..3 arrays with every 2X2 subblock nonsingular 1
11208812712, 771732813754128, 52731638795200916256, 3608961753073209868200240, 246907689712402743573482286144, 16893652701074804322774461983910592 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A183710

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..7

EXAMPLE

Some solutions for 3X9

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

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

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

CROSSREFS

Sequence in context: A095426 A038453 A290390 * A247312 A204780 A333131

Adjacent sequences:  A183706 A183707 A183708 * A183710 A183711 A183712

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 06 2011

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 18 06:27 EDT 2021. Contains 348065 sequences. (Running on oeis4.)