Number of length n+3 0..6 arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.
A249288
Number of length n+3 0..6 arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.
Terms
- a(0) =2070a(1) =12600a(2) =76856a(3) =469072a(4) =2863158a(5) =17477172a(6) =106687006a(7) =651265876a(8) =3975630136a(9) =24269116850a(10) =148150208272a(11) =904379542250
External references
- oeis: A249288