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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A279981 Number of 5Xn 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. 1
 0, 108, 1650, 15511, 124030, 887491, 5870751, 37029063, 224989656, 1329149598, 7678897522, 43562801122, 243417797716, 1342868232191, 7327618165054, 39607933952548, 212329659406086, 1129989079237450, 5974847669219636 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Row 5 of A279977. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..0..1..0..1. .0..1..0..1. .0..1..0..1. .0..0..0..1. .0..1..0..1 ..0..0..1..1. .0..1..0..1. .0..1..0..1. .0..1..0..0. .1..0..0..1 ..0..1..0..0. .1..0..0..1. .1..0..1..1. .0..0..1..1. .1..1..1..1 ..0..1..1..0. .1..0..1..1. .0..0..1..0. .1..1..0..1. .0..1..0..1 ..0..1..0..1. .0..1..0..0. .1..0..1..0. .0..1..0..1. .0..1..1..0 CROSSREFS Cf. A279977. Sequence in context: A269277 A115135 A202309 * A233317 A263970 A250339 Adjacent sequences: A279978 A279979 A279980 * A279982 A279983 A279984 KEYWORD nonn AUTHOR R. H. Hardin, Dec 24 2016 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 September 11 23:02 EDT 2024. Contains 375842 sequences. (Running on oeis4.)