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A118640
Result of left concatenation of the next Roman-numeral symbol.
1
1, 6, 16, 66, 166, 666, 1666, 6666, 16666, 66666, 166666, 666666
OFFSET
1,2
EXAMPLE
a(1) = I; a(2) = VI; a(3) = XVI.
CROSSREFS
Sequence in context: A078672 A219817 A120795 * A277747 A142704 A083885
KEYWORD
easy,nonn,base,fini,full
AUTHOR
Greg Huber, May 09 2006
EXTENSIONS
Edited by Charles R Greathouse IV, Apr 25 2010
STATUS
approved