Number of length n+3 0..5 arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.

A249287

Number of length n+3 0..5 arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.

Terms

    a(0) =1098a(1) =5646a(2) =29100a(3) =150112a(4) =774542a(5) =3996816a(6) =20626236a(7) =106449362a(8) =549377682a(9) =2835311880a(10) =14632955578a(11) =75520363990a(12) =389759189220

External references