Number of length-7 0..n arrays with no repeated value differing from the previous repeated value by plus or minus one modulo n+1.

A269693

Number of length-7 0..n arrays with no repeated value differing from the previous repeated value by plus or minus one modulo n+1.

Terms

    a(0) =66a(1) =1347a(2) =13168a(3) =69405a(4) =260616a(5) =786079a(6) =2031072a(7) =4674393a(8) =9831160a(9) =19235931a(10) =35471184a(11) =62246197a(12) =104731368a(13) =169953015a(14) =267253696a(15) =408823089a(16) =610304472a(17) =891481843a(18) =1277052720a(19) =1797491661a(20) =2490009544a(21) =3399613647a(22) =4580273568

External references