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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A203541 Number of nX7 0..2 arrays with every element neighboring horizontally or vertically both a 0 and a 1 1
 0, 676, 69920, 8479744, 1680210240, 257720706244, 44312000955508, 7260263864381124, 1226995111990493792, 204147560099024833600, 34127708705716358062368, 5703975087798515553780804 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Column 7 of A203542 LINKS R. H. Hardin, Table of n, a(n) for n = 1..16 EXAMPLE Some solutions for n=5 ..1..0..1..2..1..0..1....0..0..2..0..1..0..0....1..1..0..0..2..1..1 ..1..0..1..0..1..0..1....1..1..1..0..1..2..1....0..0..0..1..2..0..0 ..0..2..2..0..2..1..2....2..0..1..0..0..2..1....1..2..2..1..2..1..0 ..0..1..2..1..1..1..0....1..0..0..0..0..2..0....1..1..1..0..0..1..1 ..1..1..0..0..0..1..0....1..0..2..1..1..1..0....0..0..0..1..1..0..0 CROSSREFS Sequence in context: A348319 A059745 A028818 * A014759 A058462 A058450 Adjacent sequences:  A203538 A203539 A203540 * A203542 A203543 A203544 KEYWORD nonn AUTHOR R. H. Hardin Jan 02 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 May 23 20:58 EDT 2022. Contains 353993 sequences. (Running on oeis4.)