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!)
A204959 Number of (n+1)X6 0..1 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing 1
1267, 32468, 807253, 19632936, 476276892, 11028008070, 246591161060, 5248210960544, 106997663124147, 2086649523381787, 39122500999588944, 706903250573030790, 12361380183820578642, 209847974924190991957 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A204962

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A252562 A038652 A204720 * A231838 A231699 A238286

Adjacent sequences:  A204956 A204957 A204958 * A204960 A204961 A204962

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 20 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 August 12 07:10 EDT 2022. Contains 356067 sequences. (Running on oeis4.)