Number of strings of n+2 numbers x(i) in -5..5 with the sum of x(i) equal to zero and the sums of x(i)*x(i+1) and x(i)*x(i+2) equal to each other.
A184057
Number of strings of n+2 numbers x(i) in -5..5 with the sum of x(i) equal to zero and the sums of x(i)*x(i+1) and x(i)*x(i+2) equal to each other.
Terms
- a(0) =1a(1) =25a(2) =143a(3) =839a(4) =10135a(5) =106047a(6) =1015445a(7) =9974135a(8) =100003019a(9) =1002241579a(10) =9943531087
External references
- oeis: A184057