A249295
Number of length 5+3 0..n arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.
Original entry on oeis.org
162, 2792, 22572, 173368, 774542, 2863158, 8930228, 24208540, 58678014, 131166548, 271342248, 530208888, 984847110, 1749649576, 2991055892, 4952207778, 7952016454, 12442258472, 19016036460, 28452979568, 41758209826
Offset: 1
Some solutions for n=4
..0....0....0....0....2....0....2....0....1....0....1....0....1....0....1....1
..3....4....4....1....4....0....0....2....4....0....4....2....3....2....2....1
..2....2....4....1....0....4....4....4....2....2....0....1....4....3....0....4
..0....1....2....0....3....3....0....4....0....0....3....4....2....1....4....1
..0....4....3....1....2....1....4....1....3....0....3....3....1....1....1....1
..0....3....1....4....4....3....0....2....2....4....0....3....4....0....1....1
..4....1....1....2....2....1....0....3....0....0....4....1....2....3....1....0
..2....2....4....0....1....2....1....4....1....1....4....1....0....4....2....0
A249296
Number of length 6+3 0..n arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.
Original entry on oeis.org
298, 7132, 73204, 740616, 3996816, 17477172, 63142432, 194636612, 528526458, 1310146892, 2974170600, 6332136700, 12731677772, 24341338640, 44558190142, 78679898026, 134198692616, 222298159666, 358597980904, 564781557470
Offset: 1
Some solutions for n=3
..0....3....0....3....1....0....3....0....3....0....1....0....2....1....0....1
..2....2....3....3....3....2....0....0....3....3....3....3....1....1....1....1
..0....0....2....3....2....1....1....2....2....1....2....1....3....0....2....3
..0....1....0....0....0....3....2....0....1....1....0....1....1....0....0....3
..3....3....2....0....0....3....0....2....0....0....1....1....2....1....0....2
..3....2....0....3....3....1....3....1....2....0....0....3....3....2....0....3
..0....3....3....0....3....1....2....0....3....2....2....3....3....2....2....1
..3....1....2....0....3....0....2....0....1....2....0....1....3....0....0....3
..1....1....2....3....0....0....0....2....1....0....1....1....2....1....1....3
A249297
Number of length 7+3 0..n arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.
Original entry on oeis.org
548, 18232, 237480, 3164312, 20626236, 106687006, 446465388, 1564897170, 4760601928, 13086372374, 32599885184, 75623146588, 164589989052, 338640259244, 663790705232, 1250055198186, 2264746878484, 3971666747616
Offset: 1
Some solutions for n=2
..0....0....0....0....1....0....0....1....1....0....2....1....0....0....1....0
..0....2....1....1....2....0....0....0....1....0....2....0....0....2....0....2
..2....0....0....0....2....0....1....2....2....2....1....2....0....1....0....0
..1....1....0....2....2....2....0....0....2....0....1....2....2....2....1....2
..2....0....2....0....0....0....1....0....0....1....2....0....0....1....2....1
..1....2....1....0....1....0....0....1....0....2....2....1....0....2....0....2
..2....0....0....2....2....1....2....0....2....0....2....2....2....1....2....2
..0....2....2....0....2....0....2....2....0....0....0....0....0....1....0....2
..2....0....2....2....1....2....1....2....2....1....2....0....0....2....0....0
..2....0....1....2....1....0....2....2....1....1....2....1....0....2....2....1
Comments