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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A217457 T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 nXk array 9
 3, 3, 3, 9, 15, 9, 17, 69, 69, 17, 37, 253, 613, 253, 37, 77, 1049, 4361, 4361, 1049, 77, 163, 4205, 35067, 60821, 35067, 4205, 163, 343, 16887, 271863, 939819, 939819, 271863, 16887, 343, 723, 68015, 2122623, 14031423, 28176327, 14031423, 2122623 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ....3........3...........9.............17..............37...............77 ....3.......15..........69............253............1049.............4205 ....9.......69.........613...........4361...........35067...........271863 ...17......253........4361..........60821..........939819.........14031423 ...37.....1049.......35067.........939819........28176327........816124375 ...77.....4205......271863.......14031423.......816124375......45755747495 ..163....16887.....2122623......211328743.....23851967507....2588934295383 ..343....68015....16577231.....3180307843....696290061931..146317423917255 ..723...273471...129398981....47838403809..20322202997527.8268318911401803 .1523..1100135..1010161409...719805267377.593290247614087 .3209..4425449..7886865189.10830069725301 .6761.17801365.61570433261 LINKS R. H. Hardin, Table of n, a(n) for n = 1..111 EXAMPLE Some solutions for n=3 k=4 ..0..0..0..0....0..0..0..1....1..1..1..1....2..1..0..0....1..0..0..0 ..0..2..0..2....1..0..1..1....1..2..2..1....1..1..1..0....0..0..0..0 ..2..0..0..0....2..1..1..2....1..1..1..1....2..1..2..2....0..0..2..0 CROSSREFS Sequence in context: A332337 A161808 A188344 * A231753 A231663 A180439 Adjacent sequences: A217454 A217455 A217456 * A217458 A217459 A217460 KEYWORD nonn,tabl AUTHOR R. H. Hardin Oct 03 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified March 30 23:40 EDT 2023. Contains 361623 sequences. (Running on oeis4.)