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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A184373 1/3 the number of (n+1)X7 0..2 arrays with every 2X2 subblock having at least two equal elements connected horizontally or vertically 1
 420633, 281803871, 185547841629, 122443114867993, 80778452206783159, 53293289955084658949, 35159890626610196979641, 23196517518911246631354055, 15303755709562804997482560737, 10096556166552290137769922123373 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 6 of A184376 LINKS R. H. Hardin, Table of n, a(n) for n = 1..154 EXAMPLE Some solutions for 3X7 with a(1,1)=0 ..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0 ..1..2..2..0..0..0..0....1..1..2..0..0..0..1....1..1..0..0..0..0..1 ..1..1..2..0..2..0..0....0..0..2..0..2..0..0....0..1..0..1..0..2..1 CROSSREFS Sequence in context: A116936 A255081 A206315 * A164729 A164730 A084734 Adjacent sequences: A184370 A184371 A184372 * A184374 A184375 A184376 KEYWORD nonn AUTHOR R. H. Hardin Jan 12 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 13 04:46 EDT 2024. Contains 374267 sequences. (Running on oeis4.)