A249980 Number of length n+1 0..2*6 arrays with the sum of the absolute values of adjacent differences equal to n*6.

14, 120, 1178, 11524, 123154, 1290856, 14027522, 152155572, 1672105528, 18444783546, 204618309890, 2278761969748, 25463763359360, 285391177688962, 3206446229163896, 36105694885521924, 407337937707100144

Offset

1,1

Comments

Column 6 of A249982.

Links

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

Example

Some solutions for n=5
..4....1....1....2....9...11....4....0...11....3....3....8....0....6...10....9
..2....5....0...11....5....0....2....2....1....6....3....6....9...12....8....5
.11...10....4....8...11....3....6...12....3....1....0....1....1....5...12....0
..2...12...11....3....1....9....9....2...11...12...10...12....5....5....3....1
..8....1....2...11....2....1....0....6....8....6....0....3....2...12...11...11
..4....9...11....6...11....3...12....2....1....1....7....6....8....2....4....1

Crossrefs

Cf. A249982.

Sequence in context: A280003 A004312 A002056 * A206635 A163942 A206628

Adjacent sequences: A249977 A249978 A249979 * A249981 A249982 A249983

Keyword

nonn

Author

R. H. Hardin, Nov 10 2014

Status

approved