%I A105417
%S A105417 1444,1446,1447,1448,1464,1466,1467,1468,1474,1476,1477,1478,1484,1486,
%T A105417 1487,1488,1644,1646,1647,1648,1664,1666,1667,1668,1674,1676,1677,1678,
%U A105417 1684,1686,1687,1688,1744,1746,1747,1748,1764,1766,1767,1768,1774,1776
%N A105417 Numbers that are pandigital in Roman numerals, using each of the symbols 
               I, V, X, L, C, D and M at least once.
%C A105417 Contains A105416. The largest member of this sequence is 3888, MMMDCCCLXXXVIII.
%e A105417 a(3) = 1447 because its Roman numeral representation, MCDXLVII, uses 
               each of the symbols V, X, L, C, D and M once and the symbol I twice.
%Y A105417 Sequence in context: A023102 A119422 A166609 this_sequence A105416 A031626 
               A031754
%Y A105417 Adjacent sequences: A105414 A105415 A105416 this_sequence A105418 A105419 
               A105420
%K A105417 fini,nonn
%O A105417 1,1
%A A105417 Robert Happelberg (roberthappelberg(AT)yahoo.com), Apr 06 2005