Number of length-n 0..6 arrays with no adjacent pair x,x+1 repeated.

A269654

Number of length-n 0..6 arrays with no adjacent pair x,x+1 repeated.

Terms

    a(0) =7a(1) =49a(2) =343a(3) =2395a(4) =16681a(5) =115902a(6) =803434a(7) =5556909a(8) =38350583a(9) =264117327a(10) =1815254345a(11) =12451509292a(12) =85246693192a(13) =582545874403

External references