A200466 Number of 0..5 arrays x(0..n-1) of n elements with each no smaller than the sum of its four previous neighbors modulo 6

6, 21, 75, 267, 951, 3328, 11576, 40309, 140298, 487872, 1695490, 5890943, 20469215, 71122969, 247110741, 858548734, 2982886197, 10363606865, 36006690099, 125099226783, 434636165827, 1510070809645, 5246488474683, 18228043608602

Offset

1,1

Comments

Column 5 of A200469

Links

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

Example

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

Crossrefs

Sequence in context: A360090 A107660 A200665 * A200249 A207097 A027281

Adjacent sequences: A200463 A200464 A200465 * A200467 A200468 A200469

Keyword

nonn

Author

R. H. Hardin Nov 18 2011

Status

approved