Number of length-n 0..4 arrays with no repeated value differing from the previous repeated value by other than plus two or minus 1.

A269636

Number of length-n 0..4 arrays with no repeated value differing from the previous repeated value by other than plus two or minus 1.

Terms

    a(0) =5a(1) =25a(2) =120a(3) =567a(4) =2637a(5) =12125a(6) =55225a(7) =249600a(8) =1120868a(9) =5006144a(10) =22255415a(11) =98544130a(12) =434827380a(13) =1912861067a(14) =8392454605a(15) =36733957588a(16) =160447861687a(17) =699496998228

External references