Number of arrangements of 8 numbers x(i) in -n..n with the sum of x(i)*x(i+1) equal to zero.
A188363
Number of arrangements of 8 numbers x(i) in -n..n with the sum of x(i)*x(i+1) equal to zero.
Terms
- a(0) =1477a(1) =37269a(2) =262925a(3) =1264985a(4) =3882729a(5) =11535493a(6) =25217201a(7) =55520361a(8) =106276821a(9) =198605017a(10) =325986813a(11) =569829701a(12) =864406561
External references
- oeis: A188363