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!)
A205203 Number of (n+1) X 6 0..2 arrays with the permanents of 2 X 2 subblocks nondecreasing rightwards and downwards. 1
68508, 7041879, 560385415, 37528599466, 2353566223899, 131318571494136, 7124820848193635, 363421762269355745, 18279521846710009659, 892510363274222334088, 43281103413691988927914, 2070850702594997623312733 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A205206.
LINKS
EXAMPLE
Some solutions for n=4
..0..2..0..2..2..2....1..0..0..1..0..2....1..2..1..1..1..1....2..0..1..1..2..1
..0..2..2..0..2..2....2..0..1..2..1..1....2..0..2..2..2..2....1..0..1..2..0..2
..0..2..0..2..2..2....1..0..0..1..1..2....1..2..1..2..1..2....1..2..1..2..2..1
..2..2..2..2..2..2....2..0..1..1..2..2....2..2..2..2..2..2....2..0..2..1..2..2
..0..2..2..2..2..2....1..0..0..2..1..2....2..1..2..2..2..2....0..2..2..2..2..1
CROSSREFS
Cf. A205206.
Sequence in context: A206665 A206174 A205428 * A205061 A093217 A224426
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 March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)