Number of length 6+5 0..n arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four.
A249239
Number of length 6+5 0..n arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four.
Terms
- a(0) =292a(1) =15552a(2) =482388a(3) =5479172a(4) =40881292a(5) =240606388a(6) =1127486210a(7) =4315376562a(8) =15153436332a(9) =46471655246a(10) =129454999590a(11) =336738094070a(12) =813733089556
External references
- oeis: A249239