Number of n-digit biquanimous strings using digits {0,1,...,4}.

A288688

Number of n-digit biquanimous strings using digits {0,1,...,4}.

Terms

    a(0) =1a(1) =1a(2) =5a(3) =31a(4) =201a(5) =1206a(6) =6751a(7) =36051a(8) =187025a(9) =954136a(10) =4822527a(11) =24251877a(12) =121631329a(13) =609151986a(14) =3048441935a(15) =15249510871a(16) =76267672545a(17) =381394509228

External references