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!)
A205197 Number of (n+1)X5 0..3 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing, and all 2X2 permanents nonzero 0
83720, 25243114, 8736632044, 2336984953738, 574748789388149, 112059271155803264 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A205198

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A104928 A202933 A013885 * A203395 A333683 A295470

Adjacent sequences:  A205194 A205195 A205196 * A205198 A205199 A205200

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 23 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 2 09:32 EDT 2022. Contains 354999 sequences. (Running on oeis4.)