Number of positive integers with n digits and final digit 6 that are equal to the product of two integers ending with the same digit.

A347749

Number of positive integers with n digits and final digit 6 that are equal to the product of two integers ending with the same digit.

Terms

    a(0) =0a(1) =4a(2) =33a(3) =352a(4) =3597a(5) =36781a(6) =374071a(7) =3790993a(8) =38326689a(9) =386782889

External references