The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A221125 T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor 9
 1, 3, 1, 8, 21, 1, 21, 200, 144, 1, 55, 1950, 4872, 987, 1, 144, 19005, 179300, 118472, 6765, 1, 377, 185164, 6405243, 16436223, 2880520, 46368, 1, 987, 1803949, 229006550, 2152770692, 1506094707, 70036168, 317811, 1, 2584, 17574675 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Table starts .1........3...........8.............21..............55.............144 .1.......21.........200...........1950...........19005..........185164 .1......144........4872.........179300.........6405243.......229006550 .1......987......118472.......16436223......2152770692....282454178707 .1.....6765.....2880520.....1506094707....723234356389.348270153038959 .1....46368....70036168...138001217828.242959402596630 .1...317811..1702839048.12644783009532 .1..2178309.41402332360 .1.14930352 .1 LINKS R. H. Hardin, Table of n, a(n) for n = 1..59 EXAMPLE Some solutions for n=3 k=4 ..1..1..2..0....2..1..1..0....2..0..2..0....2..1..1..0....1..2..0..0 ..0..2..2..0....0..1..2..1....1..1..1..1....0..1..2..0....0..2..2..0 ..1..1..0..2....0..0..2..2....0..3..1..0....0..2..3..0....0..1..4..0 CROSSREFS Column 2 is A033888 Row 1 is A001906 Sequence in context: A077108 A075847 A193602 * A049967 A221780 A221723 Adjacent sequences: A221122 A221123 A221124 * A221126 A221127 A221128 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 02 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified March 1 22:23 EST 2024. Contains 370443 sequences. (Running on oeis4.)