This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A297014 Number of nXn 0..1 arrays with each 1 adjacent to 3, 4 or 6 king-move neighboring 1s. 0
 1, 2, 8, 46, 852, 74534, 11172600, 5380073625, 8482089381228 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Diagonal of A297020. LINKS EXAMPLE Some solutions for n=6 ..1..1..0..1..1..0. .1..1..0..0..0..0. .0..0..0..0..0..0. .0..0..0..1..1..0 ..1..1..1..0..1..1. .1..1..1..0..1..0. .0..1..1..1..1..1. .0..0..0..1..1..0 ..0..1..1..1..1..1. .0..0..0..1..1..1. .1..1..1..0..1..1. .0..0..1..0..0..0 ..0..0..0..0..0..0. .0..0..1..0..0..1. .1..1..0..1..0..1. .0..1..0..1..1..1 ..1..1..1..1..1..0. .0..1..1..0..1..1. .0..0..0..1..1..1. .1..1..0..0..1..1 ..1..1..0..1..1..0. .0..0..1..1..1..0. .0..0..0..0..1..1. .1..1..0..0..0..0 CROSSREFS Cf. A297020. Sequence in context: A099765 A246386 A096656 * A102009 A254747 A298698 Adjacent sequences:  A297011 A297012 A297013 * A297015 A297016 A297017 KEYWORD nonn AUTHOR R. H. Hardin, Dec 23 2017 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified August 20 04:25 EDT 2019. Contains 326139 sequences. (Running on oeis4.)