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

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A282861 Number of nX7 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors. 1
 81, 2028, 49471, 1369929, 35681883, 945547378, 25000646212, 660597156170, 17464365749979, 461623512113494, 12202233224208515, 322544923721567414, 8525895890487351554, 225367025047699642436, 5957177684230357360501 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 7 of A282862. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=3 ..0..1..0..0..1..0..0. .0..0..0..0..1..0..0. .0..0..1..0..0..0..1 ..0..0..0..0..0..0..1. .0..0..0..0..0..0..0. .1..0..0..1..1..0..1 ..0..1..0..0..0..0..1. .1..1..0..0..1..0..1. .0..1..0..0..0..0..0 CROSSREFS Cf. A282862. Sequence in context: A205978 A037211 A238237 * A237376 A296577 A237316 Adjacent sequences:  A282858 A282859 A282860 * A282862 A282863 A282864 KEYWORD nonn AUTHOR R. H. Hardin, Feb 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 January 17 23:37 EST 2020. Contains 330995 sequences. (Running on oeis4.)