This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A269336 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 avoiding the pattern equal-up in every row and column. 5
 1, 1, 2, 1, 6, 6, 1, 14, 74, 24, 1, 34, 852, 1880, 120, 1, 78, 10210, 152922, 80316, 720, 1, 178, 124466, 13745475, 62038644, 5141864, 5040, 1, 398, 1539739, 1301306034, 55575194220, 47286888510, 458608016, 40320, 1, 882, 19271229, 128342085219 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Table starts .....1.........1...........1...........1..............1............1........1 .....2.........6..........14..........34.............78..........178......398 .....6........74.........852.......10210.........124466......1539739.19271229 ....24......1880......152922....13745475.....1301306034.128342085219 ...120.....80316....62038644.55575194220.54180777470296 ...720...5141864.47286888510 ..5040.458608016 .40320 LINKS R. H. Hardin, Table of n, a(n) for n = 1..41 EXAMPLE Some solutions for n=3 k=4 ..1..2..0..0. .1..2..1..2. .0..1..2..1. .2..1..0..0. .1..2..1..2 ..0..1..2..1. .0..2..0..0. .0..2..1..0. .2..0..1..2. .0..2..0..1 ..1..2..2..0. .2..0..1..1. .0..2..2..1. .1..0..1..2. .0..1..2..0 CROSSREFS Column 1 is A000142. Row 2 is A059570(n+1). Sequence in context: A052296 A019538 A269646 * A300700 A046521 A104684 Adjacent sequences:  A269333 A269334 A269335 * A269337 A269338 A269339 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Feb 24 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 October 22 13:19 EDT 2019. Contains 328318 sequences. (Running on oeis4.)