Number of base 27 circular n-digit numbers with adjacent digits differing by 3 or less.

A125337

Number of base 27 circular n-digit numbers with adjacent digits differing by 3 or less.

Terms

    a(0) =1a(1) =27a(2) =177a(3) =915a(4) =5545a(5) =33997a(6) =213621a(7) =1359805a(8) =8748521a(9) =56739057a(10) =370374447a(11) =2430484743a(12) =16019733493a(13) =105982096949a(14) =703383900487

External references