login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A184784 T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock nonsingular 5
12792, 260268, 260268, 5299212, 13313404, 5299212, 107810856, 681288932, 681288932, 107810856, 2193592920, 34797264276, 87624157296, 34797264276, 2193592920, 44633574216, 1778231844136, 11238839929536, 11238839929536 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

..........12792...........260268............5299212...........107810856

.........260268.........13313404..........681288932.........34797264276

........5299212........681288932........87624157296......11238839929536

......107810856......34797264276.....11238839929536....3617921434188172

.....2193592920....1778231844136...1442620554904424.1165690391152078172

....44633574216...90873049503556.185182404965507590

...908160565032.4643641622051596

.18478374229416

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..39

EXAMPLE

Some solutions for 5X4

..0..0..1..0....0..0..1..0....0..0..1..0....0..0..1..0....0..0..1..0

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

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

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

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

CROSSREFS

Sequence in context: A187597 A203273 A217184 * A184780 A206796 A206966

Adjacent sequences:  A184781 A184782 A184783 * A184785 A184786 A184787

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Jan 21 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 25 19:19 EDT 2022. Contains 354071 sequences. (Running on oeis4.)