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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

Table of n, a(n) for n=1..8.

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

Cf. A061493, A105417.

Sequence in context: A221872 A251842 A105417 * A298222 A180465 A328886

Adjacent sequences:  A105413 A105414 A105415 * A105417 A105418 A105419

KEYWORD

base,fini,full,nonn

AUTHOR

Robert Happelberg (roberthappelberg(AT)yahoo.com), Apr 06 2005

STATUS

approved

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Last modified February 17 00:25 EST 2020. Contains 331976 sequences. (Running on oeis4.)