Number of length-n 0..4 arrays with every repeated value unequal to the previous repeated value plus one mod 4+1.

A269772

Number of length-n 0..4 arrays with every repeated value unequal to the previous repeated value plus one mod 4+1.

Terms

    a(0) =5a(1) =25a(2) =125a(3) =620a(4) =3060a(5) =15040a(6) =73680a(7) =360000a(8) =1755200a(9) =8542720a(10) =41519360a(11) =201559040a(12) =977556480a(13) =4737433600a(14) =22943846400a(15) =111060664320a(16) =537360220160

External references