A249660 Number of length 4+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, 1620, 3981, 9026, 18009, 31276, 53643, 83648, 124019, 177426, 246495, 341802, 460879, 604888, 778121, 983998, 1248361, 1556940, 1913895, 2325318, 2796619, 3361158, 3997715, 4713400, 5516083, 6407962, 7439621, 8580604

Offset

1,1

Comments

Row 4 of A249656

Links

R. H. Hardin, Table of n, a(n) for n = 1..187

Example

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

Crossrefs

Sequence in context: A249657 A249658 A249659 * A249661 A249662 A249663

Adjacent sequences: A249657 A249658 A249659 * A249661 A249662 A249663

Keyword

nonn

Author

R. H. Hardin, Nov 03 2014

Status

approved