Number of arrangements of n+1 nonzero numbers x(i) in -4..4 with the sum of trunc(x(i)/x(i+1)) equal to zero.
A189540
Number of arrangements of n+1 nonzero numbers x(i) in -4..4 with the sum of trunc(x(i)/x(i+1)) equal to zero.
Terms
- a(0) =24a(1) =72a(2) =544a(3) =3664a(4) =26804a(5) =204544a(6) =1526520a(7) =11544464a(8) =87396896a(9) =665272176a(10) =5096651048a(11) =39149596736a(12) =301739941644
External references
- oeis: A189540