Sum of all digits of all integers less than or equal to 555...55 (with n 5's) in base 10.

A087330

Sum of all digits of all integers less than or equal to 555...55 (with n 5's) in base 10.

Terms

    a(0) =0a(1) =15a(2) =370a(3) =6150a(4) =86430a(5) =1114210a(6) =13641990a(7) =161419770a(8) =1864197550a(9) =21141975330a(10) =236419753110

External references