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!)
A216611 Number of horizontal, diagonal and antidiagonal neighbor colorings of the odd squares of an nX7 array with new integer colors introduced in row major order 0
2, 52, 2847, 2711768, 732209051, 3030359756694, 2043835395791757, 22413340656366875404, 28985266574404467248885, 663445132155786673512833428, 1425339594540323247000177579385 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A216612

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for n=4

..x..0..x..1..x..2..x....x..0..x..1..x..2..x....x..0..x..1..x..2..x

..1..x..2..x..3..x..4....1..x..2..x..3..x..1....1..x..2..x..3..x..4

..x..4..x..5..x..2..x....x..0..x..4..x..2..x....x..5..x..6..x..5..x

..0..x..6..x..4..x..3....5..x..2..x..5..x..0....0..x..2..x..1..x..7

CROSSREFS

Sequence in context: A174779 A215744 A099882 * A246485 A340837 A121293

Adjacent sequences: A216608 A216609 A216610 * A216612 A216613 A216614

KEYWORD

nonn

AUTHOR

R. H. Hardin Sep 10 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 01:21 EDT 2023. Contains 361596 sequences. (Running on oeis4.)