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

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A265170 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no equal horizontal or vertical neighbors and new values introduced sequentially from 0. 5
 1, 0, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 6, 21, 1, 0, 1, 19, 447, 186, 1, 0, 1, 70, 11223, 40476, 2113, 1, 0, 1, 264, 305863, 10723968, 5693966, 27856, 1, 0, 1, 1038, 8862785, 3152470670, 19442592272, 1109065142, 422481, 1, 0, 1, 4155, 267827143, 995141926013 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,9 COMMENTS Table starts .1.......0............0..............0..............0............0 .1.......1............1..............1..............1............1 .1.......2............6.............19.............70..........264 .1......21..........447..........11223.........305863......8862785 .1.....186........40476.......10723968.....3152470670.995141926013 .1....2113......5693966....19442592272.75718556192262 .1...27856...1109065142.58092310437590 .1..422481.286017249449 .1.7241480 .1 LINKS R. H. Hardin, Table of n, a(n) for n = 1..60 EXAMPLE Some solutions for n=4 k=4 ..0..1..2..1....0..1..2..1....0..1..2..0....0..1..2..3....0..1..0..2 ..3..0..3..2....3..0..1..2....1..0..1..3....2..3..0..1....3..2..1..3 ..0..1..2..3....2..3..2..3....2..3..0..2....0..1..3..2....2..0..3..0 ..3..2..1..0....0..1..3..0....3..2..3..1....3..2..0..1....3..1..2..1 CROSSREFS Row 3 is A199128. Row 4 is A199252. Sequence in context: A011126 A266854 A326882 * A217653 A331161 A176887 Adjacent sequences: A265167 A265168 A265169 * A265171 A265172 A265173 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Dec 03 2015 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 December 1 01:13 EST 2022. Contains 358453 sequences. (Running on oeis4.)