Result of left concatenation of the next Roman-numeral symbol.

A118640

Result of left concatenation of the next Roman-numeral symbol.

Terms

    a(0) =1a(1) =6a(2) =16a(3) =66a(4) =166a(5) =666a(6) =1666a(7) =6666a(8) =16666a(9) =66666a(10) =166666a(11) =666666

External references