A249007 Number of length 6+4 0..n arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two

802, 16800, 299044, 2888944, 20952218, 99817384, 418454994, 1385871140, 4201910020, 11319995234, 28417289280, 65009432892, 142222105640, 290405064290, 573014867750, 1075969706928, 1959720585922, 3431451616020

Offset

1,1

Comments

Row 6 of A249001

Links

R. H. Hardin, Table of n, a(n) for n = 1..65

Example

Some solutions for n=2
..2....1....1....0....0....0....0....0....1....0....0....0....2....2....0....1
..1....0....1....0....2....0....2....0....2....1....0....2....1....2....2....1
..0....0....1....0....0....1....0....2....2....1....0....0....0....2....1....2
..2....1....2....1....1....0....2....1....1....0....1....2....2....1....0....2
..2....1....1....0....1....1....0....1....1....0....1....2....2....1....0....1
..2....2....2....1....0....0....0....0....1....1....1....1....1....0....1....0
..1....0....1....0....0....1....1....2....1....0....0....1....2....0....1....1
..1....0....2....0....2....2....0....2....0....0....0....0....2....1....1....2
..2....1....2....0....1....2....1....2....1....0....0....2....2....0....0....2
..2....0....1....1....1....2....0....0....1....1....0....2....1....2....0....1

Crossrefs

Sequence in context: A259949 A296962 A075005 * A249472 A246898 A205050

Adjacent sequences: A249004 A249005 A249006 * A249008 A249009 A249010

Keyword

nonn

Author

R. H. Hardin, Oct 18 2014

Status

approved