A126582 Delete all letters except i, v, x, l, c, d and m from n (in French) and read as a Roman numeral if possible, otherwise 0.

0, 0, 510, 1, 0, 101, 9, 0, 1, 0, 509, 0, 500, 1, 0, 1, 1, 509, 0, 509, 6

Offset

0,3

Links

Table of n, a(n) for n=0..20.

Example

ZERO ...>/ /...> 0 ; UN ...>/ /...> 0 ; DEUX ...>/DX/...> 510 ; TROIS ...>/I/...> 1 ; QUATRE ...>/ /...> 0 ; CINQ ...>/CI/...> 101 ; SIX .../IX/...> 9 ; SEPT ...>/ /...> 0 ; HUIT ...>/I/...> 1 ; NEUF ...>/ /...> 0 ; DIX ...>/DIX/...> 509 ; - Philippe Deléham, Mar 27 2009

Crossrefs

Sequence in context: A031421 A255183 A126438 * A062905 A062914 A071687

Adjacent sequences: A126579 A126580 A126581 * A126583 A126584 A126585

Keyword

nonn,word

Author

Anonymous, Jan 05 2007

Extensions

Corrected and extended by Philippe Deléham, Mar 27 2009

Status

approved