Number of n-digit decimal numbers containing a fixed 2-digit integer with distinct digits as a substring.

A322628

Number of n-digit decimal numbers containing a fixed 2-digit integer with distinct digits as a substring.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =19a(4) =279a(5) =3671a(6) =45431a(7) =540639a(8) =6260959a(9) =71068951a(10) =794428551a(11) =8773216559a(12) =95937737039

External references