The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A317459 Number of nXn 0..1 arrays with every element unequal to 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 0
 0, 3, 16, 1429, 386855, 426934467, 1798167135483, 29212515031084662, 1822743346281286133973, 437041238063851834989854827 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Diagonal of A317465. LINKS EXAMPLE Some solutions for n=5 ..0..0..0..1..0. .0..0..0..1..0. .0..0..0..1..1. .0..1..0..1..0 ..1..1..1..1..1. .1..1..0..0..1. .1..1..1..0..0. .0..1..0..1..0 ..1..0..0..1..0. .1..0..0..1..0. .0..1..0..1..0. .1..1..1..1..0 ..0..0..0..1..0. .0..1..1..1..1. .1..1..0..0..1. .0..0..0..1..0 ..1..1..0..1..0. .1..0..0..0..0. .0..0..1..1..0. .1..1..1..0..1 CROSSREFS Cf. A317465. Sequence in context: A132559 A304761 A316507 * A080273 A096404 A111824 Adjacent sequences:  A317456 A317457 A317458 * A317460 A317461 A317462 KEYWORD nonn AUTHOR R. H. Hardin, Jul 28 2018 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 September 25 20:01 EDT 2020. Contains 337344 sequences. (Running on oeis4.)