OFFSET
1,2
COMMENTS
A(1) is 1. A(n) is the smallest number not yet listed whose Roman numeral representation has no letters in common with the Roman numeral representation of A(n-1).
LINKS
Will Nicholes, Table of n, a(n) for n=1..163
EXAMPLE
The first entry is 1 (Roman numeral I). The next entry is the smallest number that does not have "I" in its Roman numeral representation, which is 5 (Roman numeral V). The next entry is the smallest number that does not have "V" in its Roman numeral representation, which is 2 (Roman numeral II).
CROSSREFS
KEYWORD
base,fini,nonn
AUTHOR
Will Nicholes, Jun 07 2010
STATUS
approved