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!)
 A222630 Number of nX3 0..1 arrays with no more than floor(nX3/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order 1
 1, 3, 5, 34, 67, 388, 915, 4850, 12037, 63153, 160358, 836672, 2142061, 11227043, 28804656, 151800559, 389791479, 2064625690, 5304948795, 28213912362, 72561522182, 387104648245, 996738887853, 5329732448357, 13741158092254 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Column 3 of A222635 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE All solutions for n=3 ..0..0..0....0..0..1....0..0..0....0..0..0....0..1..1 ..0..0..0....0..0..0....0..0..0....0..0..0....1..1..1 ..0..0..0....0..0..0....1..0..0....0..0..1....1..1..1 CROSSREFS Sequence in context: A225866 A263295 A222484 * A187993 A221158 A068111 Adjacent sequences:  A222627 A222628 A222629 * A222631 A222632 A222633 KEYWORD nonn AUTHOR R. H. Hardin Feb 26 2013 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 28 03:49 EST 2020. Contains 331317 sequences. (Running on oeis4.)