This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A267328 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with every element equal to or 1 greater than any southwest or northwest neighbors modulo n and the upper left element equal to 0. 9
 1, 1, 1, 1, 3, 2, 1, 10, 0, 6, 1, 35, 1, 0, 24, 1, 126, 15, 0, 0, 120, 1, 462, 65, 1, 0, 0, 720, 1, 1716, 202, 22, 0, 0, 0, 5040, 1, 6435, 537, 396, 1, 0, 0, 0, 40320, 1, 24310, 1559, 2516, 30, 0, 0, 0, 0, 362880, 1, 92378, 6506, 10533, 1929, 1, 0, 0, 0, 0, 3628800, 1, 352716 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,5 COMMENTS Table starts ......1.1..1..1...1...1....1.....1......1........1.........1...........1 ......1.3.10.35.126.462.1716..6435..24310....92378....352716.....1352078 ......2.0..1.15..65.202..537..1559...6506....27557....104122......360598 ......6.0..0..1..22.396.2516.10533..33704....92526....369726.....2640466 .....24.0..0..0...1..30.1929.39176.359300..2137958...8673978....28057788 ....120.0..0..0...0...1...38..8314.552162.14897883.202307164..1740883167 ....720.0..0..0...0...0....1....46..29393..6837388.613275874.23205147788 ...5040.0..0..0...0...0....0.....1.....54....99680..77332028.23049149898 ..40320.0..0..0...0...0....0.....0......1.......62....376803...812885568 .362880.0..0..0...0...0....0.....0......0........1........70.....1268170 LINKS R. H. Hardin, Table of n, a(n) for n = 1..236 EXAMPLE Some solutions for n=3 k=4 ..0..1..2..0....0..1..1..2....0..0..1..2....0..0..1..2....0..1..2..0 ..0..1..2..2....0..0..1..2....2..0..1..2....2..0..1..1....1..1..2..0 ..1..1..2..0....2..0..1..2....2..0..1..1....2..0..1..2....0..1..2..2 CROSSREFS Column 1 is A000142(n-1). Row 2 is A001700(n-1). Row 3 is A267164. Sequence in context: A282628 A262554 A129964 * A267425 A267562 A267742 Adjacent sequences:  A267325 A267326 A267327 * A267329 A267330 A267331 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Jan 13 2016 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.

Last modified September 21 07:08 EDT 2019. Contains 327253 sequences. (Running on oeis4.)