Number of length-7 0..n arrays with no repeated value equal to the previous repeated value.

A269471

Number of length-7 0..n arrays with no repeated value equal to the previous repeated value.

Terms

    a(0) =30a(1) =1206a(2) =11796a(3) =63420a(4) =242370a(5) =741090a(6) =1934856a(7) =4488696a(8) =9499590a(9) =18678990a(10) =34580700a(11) =60879156a(12) =102703146a(13) =167030010a(14) =263145360a(15) =403173360a(16) =602682606a(17) =881372646a(18) =1263846180a(19) =1780471980a(20) =2468343570a(21) =3372338706a(22) =4546284696

External references