T(n,k)=Number of length n+4 0..k arrays with every five consecutive terms having four times some element equal to the sum of the remaining four.
A249656
T(n,k)=Number of length n+4 0..k arrays with every five consecutive terms having four times some element equal to the sum of the remaining four.
Terms
- a(0) =2a(1) =53a(2) =2a(3) =164a(4) =53a(5) =2a(6) =485a(7) =164a(8) =53a(9) =2a(10) =1046a(11) =485a(12) =164a(13) =53a(14) =2a(15) =2077a(16) =1218a(17) =485a(18) =164a(19) =53a(20) =2a(21) =3708a(22) =2589a(23) =1408a(24) =485a(25) =164a(26) =53a(27) =2a(28) =6149a(29) =4944
External references
- oeis: A249656