A249006
Number of length 5+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.
Original entry on oeis.org
416, 6872, 91888, 706704, 4149708, 16909524, 61034658, 179220600, 484680810, 1179584718, 2691862296, 5660060962, 11419487998, 21680491596, 39877845854, 70202009284, 120203803140, 198769546216, 321758154748, 506644858160
Offset: 1
Some solutions for n=3
..0....0....1....1....0....3....0....0....1....1....0....0....3....1....2....2
..2....0....3....3....3....0....1....2....2....2....0....2....2....0....2....2
..1....1....2....0....3....2....0....0....0....0....0....2....2....2....0....1
..0....3....3....1....0....0....1....2....3....1....0....1....3....1....2....0
..3....0....3....1....3....1....2....3....1....3....1....2....1....3....3....2
..3....2....2....1....0....0....3....0....3....2....1....2....1....1....2....1
..1....0....2....1....2....0....0....2....1....2....0....2....2....1....0....0
..0....3....1....2....3....2....3....2....1....1....2....0....1....0....0....0
..0....3....3....3....3....3....0....2....0....1....2....0....3....1....1....0
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.
Original entry on oeis.org
802, 16800, 299044, 2888944, 20952218, 99817384, 418454994, 1385871140, 4201910020, 11319995234, 28417289280, 65009432892, 142222105640, 290405064290, 573014867750, 1075969706928, 1959720585922, 3431451616020
Offset: 1
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
A249008
Number of length 7+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.
Original entry on oeis.org
1546, 41084, 973204, 11810564, 105819690, 589354152, 2869206494, 10716918348, 36428481062, 108634995458, 299997171280, 746679315998, 1771285007396, 3889902082248, 8233803171560, 16491148207236, 31949943270148
Offset: 1
Some solutions for n=2
..0....0....0....0....1....0....0....0....0....1....1....2....0....0....1....2
..2....0....1....1....2....2....0....1....0....0....0....2....1....2....1....2
..0....1....1....2....2....2....2....2....0....0....2....1....1....2....1....1
..2....1....0....0....2....2....0....2....2....1....2....1....2....1....0....2
..2....0....1....0....2....0....0....2....1....0....2....0....2....2....0....2
..2....1....0....1....1....2....0....0....1....0....1....0....0....0....1....2
..1....1....0....0....2....0....1....2....0....2....0....1....1....1....0....1
..1....1....1....1....1....0....2....2....0....0....1....1....1....0....0....2
..2....0....0....2....2....2....0....0....0....0....0....2....0....1....0....1
..1....1....2....0....0....0....1....0....2....0....0....2....1....2....2....0
..1....1....1....1....2....0....0....2....0....0....0....0....1....0....0....0
Comments