Number of arrangements of n+1 nonzero numbers x(i) in -3..3 with the sum of trunc(x(i)/x(i+1)) equal to zero.
A189539
Number of arrangements of n+1 nonzero numbers x(i) in -3..3 with the sum of trunc(x(i)/x(i+1)) equal to zero.
Terms
- a(0) =12a(1) =28a(2) =192a(3) =964a(4) =5416a(5) =31280a(6) =173792a(7) =977092a(8) =5562216a(9) =31839976a(10) =182830560a(11) =1054020072a(12) =6094150672a(13) =35317631800a(14) =205154575120
External references
- oeis: A189539