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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A221432 T(n,k)=Number of nXk arrays of occupancy after each element moves to some king-move neighbor, without consecutive moves in the same direction 2
0, 1, 1, 0, 31, 0, 1, 286, 286, 1, 0, 3295, 7573, 3295, 0, 1, 34477, 378956, 378956, 34477, 1, 0, 371116, 14043932, 72740056, 14043932, 371116, 0, 1, 3952193, 581171214, 11340892604, 11340892604, 581171214, 3952193, 1, 0, 42233189, 22893790059 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

Table starts

.0.......1.........0...........1...........0.........1...........0........1.0

.1......31.......286........3295.......34477....371116.....3952193.42233189

.0.....286......7573......378956....14043932.581171214.22893790059

.1....3295....378956....72740056.11340892604

.0...34477..14043932.11340892604

.1..371116.581171214

.0.3952193

.1

LINKS

Table of n, a(n) for n=1..39.

EXAMPLE

Some solutions for n=3 k=4

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

..2..3..1..1....0..2..3..0....2..0..1..1....2..0..2..0....1..3..0..3

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

CROSSREFS

Sequence in context: A028363 A324684 A213070 * A085012 A086019 A040968

Adjacent sequences:  A221429 A221430 A221431 * A221433 A221434 A221435

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Jan 16 2013

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 December 6 16:26 EST 2021. Contains 349567 sequences. (Running on oeis4.)