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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A207197 Number of nX4 0..2 arrays avoiding the pattern z-1 z-1 z in any row or column 1
 69, 4761, 247002, 12539372, 632716336, 31901664357, 1610194874799, 81287871720373, 4104318500772121, 207237297025296600, 10464020397550910416, 528359580441380112910, 26678441328805428234587, 1347073335296997275306445 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A207201 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..2..0..1..1....0..2..0..0....1..0..2..0....1..2..2..2....2..0..1..2 ..2..1..0..1....0..1..2..0....1..0..0..0....1..2..2..2....0..2..2..0 ..1..2..2..0....2..2..2..0....0..2..0..0....1..2..1..1....2..2..0..1 ..1..0..0..0....0..1..1..0....2..0..0..0....1..2..1..1....2..1..2..1 CROSSREFS Sequence in context: A206730 A207354 A207985 * A207217 A296785 A264171 Adjacent sequences: A207194 A207195 A207196 * A207198 A207199 A207200 KEYWORD nonn AUTHOR R. H. Hardin Feb 15 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 February 1 07:16 EST 2023. Contains 359981 sequences. (Running on oeis4.)