A249661 Number of length 5+4 0..n arrays with every five consecutive terms having four times some element equal to the sum of the remaining four

2, 53, 164, 485, 1858, 4877, 12108, 26269, 48120, 85863, 137008, 207153, 301826, 428059, 603620, 827265, 1100658, 1433863, 1835248, 2358199, 2972906, 3690145, 4524776, 5489583, 6646490, 7959243, 9443456, 11122729, 12996902, 15168183

Offset

1,1

Comments

Row 5 of A249656

Links

R. H. Hardin, Table of n, a(n) for n = 1..160

Example

Some solutions for n=6
..5....4....5....1....6....3....3....3....2....4....4....5....6....1....4....2
..4....0....3....3....3....5....6....6....0....2....2....2....2....5....0....0
..0....2....0....2....0....4....5....4....6....1....1....5....2....5....4....2
..3....1....0....2....0....5....1....5....0....0....5....0....0....5....6....1
..3....3....2....2....6....3....0....2....2....3....3....3....0....4....6....0
..5....4....5....6....6....3....3....3....2....4....4....5....1....6....4....2
..4....0....3....3....3....0....6....1....0....2....2....2....2....0....5....5
..5....2....0....2....0....4....5....4....1....6....1....5....2....5....4....2
..3....6....0....2....0....5....1....0....5....5....0....0....0....5....1....1

Crossrefs

Sequence in context: A249658 A249659 A249660 * A249662 A249663 A130698

Adjacent sequences: A249658 A249659 A249660 * A249662 A249663 A249664

Keyword

nonn

Author

R. H. Hardin, Nov 03 2014

Status

approved