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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A316305 Number of n X n 0..1 arrays with every element unequal to 0, 1, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero. 0
 1, 5, 10, 74, 662, 4431, 96175, 3854852, 190235425, 21345024459 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Diagonal of A316311. LINKS Table of n, a(n) for n=1..10. EXAMPLE Some solutions for n=5 ..0..1..1..1..0. .0..0..0..0..1. .0..0..1..0..1. .0..0..0..0..1 ..0..0..1..1..1. .0..0..0..1..1. .0..1..1..0..0. .0..1..0..0..0 ..0..0..0..0..0. .0..0..0..0..0. .1..1..1..0..0. .0..0..0..0..0 ..0..0..0..1..0. .0..1..0..1..0. .0..0..1..0..1. .0..0..0..0..1 ..1..0..0..0..0. .0..0..0..1..1. .1..0..1..1..1. .0..0..0..1..1 CROSSREFS Cf. A316311. Sequence in context: A089745 A356820 A358491 * A317260 A111992 A325583 Adjacent sequences: A316302 A316303 A316304 * A316306 A316307 A316308 KEYWORD nonn AUTHOR R. H. Hardin, Jun 29 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified August 3 21:27 EDT 2024. Contains 374905 sequences. (Running on oeis4.)