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!)
A205043 Number of (n+1)X6 0..6 arrays with the permanents of all 2X2 subblocks equal and nonzero 1
364646, 21682734, 256406852, 10840272796, 178237466160, 6109962465816, 119606241141244, 3639436559236942, 78513581756381340, 2235122151403446114, 50935010607409039132, 1397249105342412157686, 32860818042559743292566 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A205046

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..22

EXAMPLE

Some solutions for n=4

..1..6..6..2..4..2....6..3..2..1..0..1....2..5..1..0..1..6....1..4..1..6..2..3

..3..0..3..2..5..2....1..0..1..1..3..1....1..0..1..5..0..5....2..4..2..0..2..3

..5..6..6..2..4..2....3..3..2..1..0..1....0..5..0..5..1..6....0..6..0..6..0..6

..3..0..3..2..5..2....1..0..1..1..3..4....1..1..1..5..0..5....2..0..2..2..2..0

..1..6..6..2..4..2....2..3..2..1..0..1....1..4..1..0..1..5....2..6..2..4..2..6

CROSSREFS

Sequence in context: A195393 A229676 A230754 * A234896 A187437 A237390

Adjacent sequences:  A205040 A205041 A205042 * A205044 A205045 A205046

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 21 2012

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 July 24 01:14 EDT 2021. Contains 346265 sequences. (Running on oeis4.)