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)

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

R. H. Hardin, Table of n, a(n) for n = 1..74

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

Adjacent sequences: A202005 A202006 A202007 * A202009 A202010 A202011

Keyword

nonn

Author

R. H. Hardin Dec 07 2011

Status

approved