A200471 Number of 0..n arrays x(0..6) of 7 elements with each no smaller than the sum of its four previous neighbors modulo (n+1).

29, 199, 1120, 3627, 11576, 28434, 69136, 139566, 281169, 509465, 917176, 1519297, 2507652, 3907871, 6070416, 8983497, 13266213, 18901105, 26867168, 37023721, 50931188, 68369984, 91636040, 120165960, 157385059, 202502115, 260240316

Offset

1,1

Comments

Row 7 of A200469.

Links

R. H. Hardin, Table of n, a(n) for n = 1..197

Example

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

Crossrefs

Cf. A200469.

Sequence in context: A142653 A237446 A144731 * A027724 A042638 A213066

Adjacent sequences: A200468 A200469 A200470 * A200472 A200473 A200474

Keyword

nonn

Author

R. H. Hardin, Nov 18 2011

Status

approved