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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A188567 T(n,k)=Number of nXk binary arrays without the pattern 1 1 1 diagonally, vertically or horizontally 8
 2, 4, 4, 7, 16, 7, 13, 49, 49, 13, 24, 169, 247, 169, 24, 44, 576, 1383, 1383, 576, 44, 81, 1936, 7722, 13306, 7722, 1936, 81, 149, 6561, 42712, 127951, 127951, 42712, 6561, 149, 274, 22201, 237116, 1204078, 2109386, 1204078, 237116, 22201, 274, 504, 75076 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ...2......4........7.........13............24..............44 ...4.....16.......49........169...........576............1936 ...7.....49......247.......1383..........7722...........42712 ..13....169.....1383......13306........127951.........1204078 ..24....576.....7722.....127951.......2109386........33878337 ..44...1936....42712....1204078......33878337.......924245906 ..81...6561...237116...11433452.....550371695.....25507294349 .149..22201..1315783..108485757....8927734479....703601341153 .274..75076..7300042.1028265705..144690439154..19385833712450 .504.254016.40505756.9752393774.2346488899945.534376376148754 LINKS R. H. Hardin, Table of n, a(n) for n = 1..337 EXAMPLE Some solutions for 5X3 ..1..1..0....0..0..0....1..0..1....1..1..0....0..0..0....0..1..0....0..0..0 ..1..0..1....0..1..1....0..1..1....1..0..0....0..1..0....1..0..1....0..0..1 ..0..1..1....0..1..0....0..1..0....0..1..0....0..1..0....0..0..1....0..0..1 ..0..0..0....0..0..1....1..0..1....0..0..0....0..0..0....1..0..0....1..1..0 ..0..1..1....1..0..1....0..1..0....1..0..1....0..1..1....0..1..1....1..1..0 CROSSREFS Column 1 is A000073(n+3) Column 2 is A085697(n+1) Sequence in context: A207182 A206994 A181224 * A262274 A223669 A223680 Adjacent sequences: A188564 A188565 A188566 * A188568 A188569 A188570 KEYWORD nonn,tabl AUTHOR R. H. Hardin Apr 04 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 July 19 16:24 EDT 2024. Contains 374410 sequences. (Running on oeis4.)