a(n) = 84 written in base n.

Terms

a(1) =1010100a(2) =10010a(3) =1110a(4) =314a(5) =220a(6) =150a(7) =124a(8) =103a(9) =84a(10) =77a(11) =70a(12) =66a(13) =60a(14) =59a(15) =54