Number of length 7+3 0..n arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.
A249297
Number of length 7+3 0..n arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.
Terms
- a(0) =548a(1) =18232a(2) =237480a(3) =3164312a(4) =20626236a(5) =106687006a(6) =446465388a(7) =1564897170a(8) =4760601928a(9) =13086372374a(10) =32599885184a(11) =75623146588a(12) =164589989052a(13) =338640259244a(14) =663790705232
External references
- oeis: A249297