A200667 Number of 0..7 arrays x(0..n-1) of n elements with each no smaller than the sum of its three previous neighbors modulo 8

8, 36, 164, 750, 3414, 15504, 70412, 319532, 1449895, 6578528, 29850070, 135443522, 614568094, 2788573700, 12653014693, 57412388798, 260505742646, 1182031264628, 5363405068469, 24336170423291, 110424101519685, 501043586283665

Offset

1,1

Comments

Column 7 of A200668

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=6
..4....4....2....5....3....0....1....1....4....4....0....0....0....6....0....0
..6....4....6....7....7....0....7....3....5....5....4....5....3....7....4....0
..6....3....0....4....6....1....7....5....2....5....5....5....6....5....4....3
..4....4....6....5....3....1....7....4....4....6....7....6....1....4....1....7
..2....5....6....0....7....4....6....7....3....0....6....2....6....0....4....4
..5....5....5....1....4....6....7....5....5....7....6....7....6....7....2....6

Crossrefs

Sequence in context: A074404 A221701 A228702 * A200468 A200250 A207099

Adjacent sequences: A200664 A200665 A200666 * A200668 A200669 A200670

Keyword

nonn

Author

R. H. Hardin Nov 20 2011

Status

approved