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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A197442 T(n,k)=Number of nXk 0..2 arrays with no element equal to the average of its horizontal and vertical neighbors 9
 3, 6, 6, 10, 34, 10, 28, 246, 246, 28, 66, 1736, 5032, 1736, 66, 164, 12450, 98356, 98356, 12450, 164, 400, 89528, 1933358, 5184780, 1933358, 89528, 400, 982, 644328, 37989740, 279785830, 279785830, 37989740, 644328, 982, 2406, 4638654, 746250884 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ....3.........6............10.................28.....................66 ....6........34...........246...............1736..................12450 ...10.......246..........5032..............98356................1933358 ...28......1736.........98356............5184780..............279785830 ...66.....12450.......1933358..........279785830............41434710920 ..164.....89528......37989740........15068331840..........6117749044788 ..400....644328.....746250884.......811669674888........903529041581340 ..982...4638654...14659367358.....43723066740718.....133441483281347232 .2406..33398106..287967404918...2355282493094894...19707781710109683796 .5898.240473126.5656823960766.126874994917842426.2910613305873428168598 LINKS R. H. Hardin, Table of n, a(n) for n = 1..112 EXAMPLE Some solutions for n=6 k=4 ..0..0..0..1....0..0..0..1....0..0..0..1....0..0..0..1....0..0..0..1 ..1..1..0..0....1..1..0..0....1..1..0..0....1..1..0..0....1..1..0..0 ..0..0..0..1....0..0..0..0....0..0..0..1....0..0..0..1....0..0..0..1 ..1..0..1..0....1..0..2..2....1..0..1..0....1..0..1..0....0..2..2..0 ..2..2..2..2....2..2..0..2....1..2..2..2....2..0..2..0....1..0..0..2 ..2..1..0..0....0..2..0..0....1..0..2..0....2..0..0..1....0..2..2..1 CROSSREFS Sequence in context: A135610 A157018 A203330 * A113497 A210692 A158662 Adjacent sequences: A197439 A197440 A197441 * A197443 A197444 A197445 KEYWORD nonn,tabl AUTHOR R. H. Hardin Oct 15 2011 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 June 2 09:06 EDT 2023. Contains 363092 sequences. (Running on oeis4.)