T(n,k) = Number of length n+3 0..k arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.
A249290
T(n,k) = Number of length n+3 0..k arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.
Terms
- a(0) =14a(1) =66a(2) =26a(3) =204a(4) =168a(5) =48a(6) =524a(7) =660a(8) =428a(9) =88a(10) =1098a(11) =2228a(12) =2144a(13) =1094a(14) =162a(15) =2070a(16) =5646a(17) =9504a(18) =6960a(19) =2792a(20) =298a(21) =3584a(22) =12600a(23) =29100a(24) =40588a(25) =22572a(26) =7132a(27) =548a(28) =5808a(29) =25280
External references
- oeis: A249290