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A250165
Number of length n+1 0..6 arrays with the sum of adjacent differences multiplied by some arrangement of +-1 equal to zero
1
7, 67, 639, 5831, 49037, 380939, 2810751, 20169871, 142786013, 1004527983, 7047533399, 49383700439, 345855478109, 2421574390899, 16953120700735, 118679602696751, 830786561364589, 5815618832245175, 40709771502502967
OFFSET
1,1
COMMENTS
Column 6 of A250167
LINKS
EXAMPLE
Some solutions for n=5
..6....2....3....4....4....2....3....4....6....0....0....4....1....4....2....0
..3....6....0....1....2....4....4....6....0....1....0....4....6....3....0....3
..6....3....3....4....6....5....6....3....5....6....6....2....2....4....4....2
..6....4....2....2....1....1....3....3....6....0....1....5....4....0....1....0
..6....3....3....0....6....4....6....1....1....1....2....0....6....0....4....3
..0....4....3....4....2....0....5....0....4....4....0....0....5....4....6....2
CROSSREFS
Sequence in context: A250275 A240373 A077789 * A186655 A253175 A124291
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 13 2014
STATUS
approved