A200468 Number of 0..7 arrays x(0..n-1) of n elements with each no smaller than the sum of its four previous neighbors modulo 8

8, 36, 164, 750, 3434, 15446, 69136, 309748, 1386973, 6207948, 27781867, 124317636, 556310068, 2489502301, 11140314293, 49852273554, 223086037878, 998302588120, 4467360525658, 19991251154656, 89460006607948, 400329985806851

Offset

1,1

Comments

Column 7 of A200469

Links

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

Example

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

Crossrefs

Sequence in context: A221701 A228702 A200667 * A200250 A207099 A055064

Adjacent sequences: A200465 A200466 A200467 * A200469 A200470 A200471

Keyword

nonn

Author

R. H. Hardin Nov 18 2011

Status

approved