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A202008
Number of -n..n circular arrays x(0..5) of 6 elements with zero sums of x(i) and x(i)*x((i+1) mod 6)
1
43, 247, 601, 1357, 2467, 4327, 6385, 9445, 12607, 18019, 22549, 30025, 36463, 46435, 57685, 69745, 80911, 97027, 110197, 132901, 152443, 176335, 195817, 225565, 252967, 285127, 314041, 356041, 386695, 441271, 476689, 524149, 570943, 624535
OFFSET
1,1
COMMENTS
Row 4 of A202006
LINKS
EXAMPLE
Some solutions for n=3
..3...-3....2....3....0....0....3....3....1...-3...-1....0....0....2....1...-1
..2....2....3....2...-2....3....0....2...-2....2...-2....0....3....0....3...-1
.-3....3....0...-3....1....0...-1...-3...-3....1....1....0...-3...-2....0....2
..0....1...-2....0....2....1...-3...-1....2....2....0....1...-3...-2...-1....1
.-2...-3....0...-3....0...-3....1....0....3...-1....1....0....0....2....0....2
..0....0...-3....1...-1...-1....0...-1...-1...-1....1...-1....3....0...-3...-3
CROSSREFS
Sequence in context: A158080 A142450 A259421 * A258214 A262915 A262330
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 07 2011
STATUS
approved