Number of positive integers with n digits that are equal both to the product of two integers ending with 3 and to that of two integers ending with 7.

A348546

Number of positive integers with n digits that are equal both to the product of two integers ending with 3 and to that of two integers ending with 7.

Terms

    a(0) =0a(1) =0a(2) =8a(3) =129a(4) =1771a(5) =21802a(6) =252793a(7) =2826973a(8) =30872783

External references