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A221925 T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some king-move neighbor, without move-in move-out straight through or left turns 4
1, 3, 3, 6, 35, 6, 13, 350, 350, 13, 28, 3487, 13228, 3487, 28, 60, 34714, 508281, 508281, 34714, 60, 129, 345744, 19513309, 75313013, 19513309, 345744, 129, 277, 3443699, 749481703, 11143187999, 11143187999, 749481703, 3443699, 277, 595, 34300167 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Table starts

...1.......3.........6..........13..........28............60.........129

...3......35.......350........3487.......34714........345744.....3443699

...6.....350.....13228......508281....19513309.....749481703.28788205897

..13....3487....508281....75313013.11143187999.1648683705320

..28...34714..19513309.11143187999

..60..345744.749481703

.129.3443699

.277

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..40

EXAMPLE

Some solutions for n=3 k=4

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

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

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

CROSSREFS

Column 1 is A002478

Sequence in context: A221898 A103895 A221886 * A221688 A066358 A261295

Adjacent sequences:  A221922 A221923 A221924 * A221926 A221927 A221928

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Jan 31 2013

STATUS

approved

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Last modified January 22 02:46 EST 2022. Contains 350481 sequences. (Running on oeis4.)