A251426 Number of length n+2 0..6 arrays with the sum of the maximum minus twice the median plus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero

61, 725, 5097, 44465, 349257, 2647405, 19285211, 137949185, 976032575, 6871688649, 48247321093, 338304918133, 2370405542621, 16602202832585, 116254396792509, 813946050011849, 5698326553998227, 39891307203318801

Offset

1,1

Comments

Column 6 of A251428

Links

Table of n, a(n) for n=1..18.

Example

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

Crossrefs

Sequence in context: A132388 A086945 A142365 * A232858 A093473 A000506

Adjacent sequences: A251423 A251424 A251425 * A251427 A251428 A251429

Keyword

nonn

Author

R. H. Hardin, Dec 02 2014

Status

approved