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A105416 Numbers that are pandigital in Roman numerals using each of the symbols I, V, X, L, C, D and M exactly once. 2
1444, 1446, 1464, 1466, 1644, 1646, 1664, 1666 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Subset of A105417.
LINKS
EXAMPLE
a(1) = 1444 because written in Roman numeral it is MCDXLIV, using each of the symbols I, V, X, L, C, D and M exactly once.
PROG
(PARI) A105416=vector(8, n, n--+722+n\2*8+n\4*80)*2 \\ M. F. Hasler, Jul 10 2018
CROSSREFS
Sequence in context: A221872 A251842 A105417 * A348740 A368191 A298222
KEYWORD
base,fini,full,nonn
AUTHOR
Robert Happelberg (roberthappelberg(AT)yahoo.com), Apr 06 2005
STATUS
approved

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)