A252182 Number of length 6+2 0..n arrays with the sum of the maximum minus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero

144, 3217, 31420, 179225, 753200, 2485637, 6994984, 17238485, 38567844, 79379977, 153192080, 279354541, 486577640, 813444257, 1314320376, 2058759561, 3140840692, 4677272217, 6820355484, 9754298757, 13714118196

Offset

1,1

Comments

Row 6 of A252177

Links

Table of n, a(n) for n=1..21.

Example

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

Crossrefs

Sequence in context: A251433 A223300 A330837 * A187166 A231836 A268968

Adjacent sequences: A252179 A252180 A252181 * A252183 A252184 A252185

Keyword

nonn

Author

R. H. Hardin, Dec 15 2014

Status

approved