a(n) = numerator of fraction whose decimal representation is (n).(1)(2)(3)...(n-1)(n)... with repeating part (1)(2)(3)...(n-1)(n).

A172499

a(n) = numerator of fraction whose decimal representation is (n).(1)(2)(3)...(n-1)(n)... with repeating part (1)(2)(3)...(n-1)(n).

Terms

    a(0) =10a(1) =70a(2) =1040a(3) =41230a(4) =170780a(5) =2041150a(6) =71234560a(7) =90260630a(8) =1013717420

External references