A200201 Number of -5..5 arrays x(0..n+2) of n+3 elements with zero sum and nonzero second and third differences

798, 7450, 70400, 667620, 6428538, 62141592, 604864626, 5910438976, 57975632400, 570460963084, 5628281238070, 55659731103340, 551565557625452, 5475686423922678, 54447753338275452, 542185148049168142

Offset

1,1

Comments

Column 5 of A200204

Links

R. H. Hardin, Table of n, a(n) for n = 1..59

Example

Some solutions for n=3
.-4...-4...-3....4...-5...-3....3...-4...-3....3...-4...-4....3...-5....1...-2
..1...-4....2...-5...-3...-1....2...-2...-2...-3...-1...-1....1...-5....2....2
.-3....4....4...-1....5....3...-4...-3....3...-3....3....3....3....4...-2...-2
..2...-3...-2...-1....2...-3...-2....4....0...-1...-5...-2...-5....1....4....3
..5....3...-3...-2....2...-1...-3....4....0....5....3....2...-1....3...-5....0
.-1....4....2....5...-1....5....4....1....2...-1....4....2...-1....2....0...-1

Crossrefs

Sequence in context: A188536 A252346 A256026 * A045261 A101039 A121642

Adjacent sequences: A200198 A200199 A200200 * A200202 A200203 A200204

Keyword

nonn

Author

R. H. Hardin Nov 14 2011

Status

approved