OFFSET
1,1
COMMENTS
Spellings used for Italian numbers: zero, un, due, tre, quattro, cinque, sei, sette, otto, nove, dieci, undici, dodici, tredici, quattordici, quindici, sedici, diciassette, diciotto, diciannove, venti, ventuno, ventidue, ventitre, ventiquattro, venticinque.
The numbers 22-25 do not occur in the sequence. - David Applegate, Sep 24 2007
EXAMPLE
The sequence begins Quattro, venti, diciannove, zero, due, tre, sette, ...
CROSSREFS
KEYWORD
nonn,word
AUTHOR
N. J. A. Sloane, Sep 21 2007
EXTENSIONS
More terms from David Applegate, Sep 24 2007
STATUS
approved