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A250325 Number of length 6+2 0..n arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero 0
104, 1689, 12820, 57833, 197848, 558541, 1357424, 2953265, 5883028, 10994585, 19364348, 32540881 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 6 of A250320
LINKS
EXAMPLE
Some solutions for n=5
..2....0....2....4....1....0....1....2....5....4....1....4....0....1....1....1
..4....4....4....3....3....0....3....3....4....1....3....3....3....3....1....3
..0....3....4....4....3....0....2....5....0....4....3....5....1....4....4....4
..3....1....3....0....1....1....3....5....1....4....2....4....3....5....1....0
..5....2....3....3....2....4....5....2....1....4....5....3....0....5....0....2
..2....5....2....1....2....5....4....1....2....4....5....2....2....0....3....4
..2....5....0....2....4....3....2....1....5....1....3....2....1....1....2....5
..4....3....0....1....4....5....2....4....2....4....1....3....0....5....0....3
CROSSREFS
Sequence in context: A200196 A234219 A223420 * A244946 A186931 A273224
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 18 2014
STATUS
approved

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Last modified May 28 12:54 EDT 2024. Contains 372913 sequences. (Running on oeis4.)