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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A281885 Number of nX5 0..1 arrays with no element equal to more than four of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. 1
 0, 0, 4832, 112320, 2156646, 38763782, 663476572, 10998070526, 178432948526, 2848000336302, 44875126955866, 699810925996718, 10820974091403207, 166134120975159216, 2535255745164296210, 38487729589784841248 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Column 5 of A281888. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..0..0..1..1..0. .0..1..0..0..0. .0..0..1..1..0. .0..0..1..0..0 ..0..0..1..0..1. .1..0..1..0..1. .1..1..1..0..0. .1..0..0..1..0 ..0..1..0..0..1. .0..0..1..1..0. .0..1..0..0..1. .0..1..1..0..0 ..1..1..1..0..0. .0..0..0..1..0. .1..1..1..1..0. .0..1..1..0..0 CROSSREFS Cf. A281888. Sequence in context: A252019 A299206 A153408 * A183589 A185990 A215949 Adjacent sequences:  A281882 A281883 A281884 * A281886 A281887 A281888 KEYWORD nonn AUTHOR R. H. Hardin, Feb 01 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 18 00:48 EST 2022. Contains 350410 sequences. (Running on oeis4.)