

A356726


Integers which have in Roman numerals more distinct symbols than any smaller number.


0




OFFSET

1,2


COMMENTS

Indices of record highs in A057226.
Smallest number whose Roman notation has exactly n distinct symbols.
The sequence is finite because 1444 is the smallest number using the symbols I,V,X,L,C,D,M.


LINKS



EXAMPLE

For n = 3, a(3) = 14 because 14 = XIV which is the smallest number with 3 symbols in Roman notation.


MATHEMATICA

kmax=1500; a={}; n=1; For[k=1, k<=kmax, k++, If[Length[DeleteDuplicates[Characters[RomanNumeral[k]]]] == n, AppendTo[a, k]; n++; k=1]]; a (* Stefano Spezia, Aug 26 2022 *)


CROSSREFS



KEYWORD

nonn,fini,full,easy


AUTHOR



STATUS

approved



