login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A216610 Number of horizontal, diagonal and antidiagonal neighbor colorings of the odd squares of an nX5 array with new integer colors introduced in row major order 1
1, 5, 41, 3429, 83437, 20880505, 942420901, 484968748793, 33862631596393, 30012936243058237, 2941251571063448753, 4040674235335081456861, 522798156103780731219765, 1037627124289198371293601937 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A216612

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..25

EXAMPLE

Some solutions for n=4

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

..2..x..3..x..4....2..x..3..x..0....2..x..3..x..4....1..x..2..x..3

..x..5..x..0..x....x..4..x..1..x....x..5..x..6..x....x..4..x..1..x

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

CROSSREFS

Sequence in context: A093433 A065035 A145008 * A025173 A222474 A327269

Adjacent sequences:  A216607 A216608 A216609 * A216611 A216612 A216613

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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 31 05:06 EDT 2020. Contains 338098 sequences. (Running on oeis4.)