A190068 - OEIS

A190068

Number of arrangements of n+1 nonzero numbers x(i) in -6..6 with the sum of div(x(i),x(i+1)), where div(a,b)=a/b produces the integer quotient implying a nonnegative remainder, equal to zero

30, 233, 2276, 23400, 249119, 2783714, 31391655, 353856100, 4017545773, 45918810745, 526830982562, 6064138473938, 70033913982429, 811112118405079, 9415846493673903, 109526722276860886, 1276368965090149581

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OFFSET

1,1

COMMENTS

Column 6 of A190071

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..125

EXAMPLE

Some solutions for n=4

..4...-6....1...-3...-5...-1...-4...-2...-4...-5....2....4...-5....1....4....1

.-5....4...-5...-6....2....4...-4...-5....3...-5...-5...-3....3...-3...-5....3

.-4...-5...-5....5...-4...-2...-6....3....6....6....4...-5....6....3...-4....5