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

A126522

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

Terms

    a(0) =1a(1) =27a(2) =223a(3) =1887a(4) =16103a(5) =138099a(6) =1188039a(7) =10242351a(8) =88435341a(9) =764407997a(10) =6612526647a(11) =57234605067a(12) =495599614141

External references