Number of decimal strings of length n that contain a specific string xy where x and y are distinct digits.

A322052

Number of decimal strings of length n that contain a specific string xy where x and y are distinct digits.

Terms

    a(0) =0a(1) =1a(2) =20a(3) =299a(4) =3970a(5) =49401a(6) =590040a(7) =6850999a(8) =77919950a(9) =872348501a(10) =9645565060a(11) =105583302099

External references