A253126 Number of length n+2 0..5 arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero

16, 676, 1356, 19990, 92041, 764836, 4373134, 29088446, 172527610, 1072084446, 6410227358, 38947762444, 233409450993, 1407074717250, 8438849710124, 50726297744076, 304311761563422, 1827223612898464, 10962789965155112

Offset

1,1

Comments

Column 5 of A253129

Links

R. H. Hardin, Table of n, a(n) for n = 1..25

Example

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

Crossrefs

Sequence in context: A326210 A204841 A264533 * A014733 A053907 A222139

Adjacent sequences: A253123 A253124 A253125 * A253127 A253128 A253129

Keyword

nonn

Author

R. H. Hardin, Dec 27 2014

Status

approved