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!)
A205177 Number of (n+1)X5 0..3 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards 1
177050, 24657580, 2902004018, 249458849992, 20824074630163, 1450722933612883, 101000321566625809, 6494617841520891543, 423017023437514226903, 26956641316412328940373, 1744509969339695716989711 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A205181

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A273727 A203406 A280447 * A205276 A321827 A016763

Adjacent sequences:  A205174 A205175 A205176 * A205178 A205179 A205180

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 22 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 October 5 05:10 EDT 2022. Contains 357252 sequences. (Running on oeis4.)