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!)
A216089 Number of horizontal and antidiagonal neighbor colorings of the odd squares of a 7Xn array with new integer colors introduced in row major order 0

%I #5 Sep 02 2012 10:22:05

%S 5,409,21147,18378580,5116799368,20358402201792,14216413305846436,

%T 152834688133255075552,204451723997895101749260

%N Number of horizontal and antidiagonal neighbor colorings of the odd squares of a 7Xn array with new integer colors introduced in row major order

%C Row 7 of A216084

%e Some solutions for n=4

%e ..x..0..x..1....x..0..x..1....x..0..x..1....x..0..x..1....x..0..x..1

%e ..1..x..0..x....1..x..0..x....1..x..0..x....1..x..0..x....1..x..0..x

%e ..x..1..x..2....x..1..x..2....x..1..x..2....x..1..x..2....x..2..x..0

%e ..3..x..4..x....2..x..1..x....3..x..4..x....3..x..0..x....0..x..3..x

%e ..x..2..x..1....x..3..x..4....x..5..x..6....x..1..x..4....x..1..x..0

%e ..3..x..0..x....5..x..0..x....0..x..2..x....5..x..1..x....2..x..4..x

%e ..x..2..x..5....x..1..x..0....x..0..x..6....x..4..x..3....x..3..x..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Sep 01 2012

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 06:44 EDT 2024. Contains 371265 sequences. (Running on oeis4.)