A251431 Number of length 4+2 0..n 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

40, 341, 1888, 6589, 18952, 44465, 94452, 180625, 324136, 545021, 878516, 1353921, 2024188, 2932293, 4149792, 5735557, 7786700, 10376093, 13629740, 17642437, 22564780, 28519073, 35692724, 44219965, 54334868, 66206505, 80091608, 96191873

Offset

1,1

Comments

Row 4 of A251428

Links

R. H. Hardin, Table of n, a(n) for n = 1..47

Example

Some solutions for n=8
..0....8....6....3....3....0....8....3....6....5....3....2....5....2....4....5
..5....7....8....8....8....7....6....2....8....2....0....2....6....1....4....4
..5....2....5....3....7....8....1....6....3....7....1....3....1....4....1....1
..3....7....7....6....5....7....5....2....5....1....5....0....1....8....0....2
..0....1....0....3....0....0....2....7....2....0....2....8....0....3....0....2
..4....0....2....8....5....4....1....3....5....2....6....5....1....4....2....0

Crossrefs

Sequence in context: A160328 A365607 A247407 * A285919 A234913 A190312

Adjacent sequences: A251428 A251429 A251430 * A251432 A251433 A251434

Keyword

nonn

Author

R. H. Hardin, Dec 02 2014

Status

approved