OFFSET
1,1
COMMENTS
40 (forty) is the only number with this property in English.
1 (un) is the only number with the reverse property in French. - Michel Marcus, Nov 13 2016
1 (one) is the only number with the reverse property in English. - Matt Westwood, Feb 25 2017
REFERENCES
D. Wells, The Penguin Dictionary of Curious and Interesting Numbers, p. 101.
EXAMPLE
The names in French for a(1)..a(4) are: deux, cinq, dix, cent.
CROSSREFS
KEYWORD
nonn,word,fini,full
AUTHOR
Matt Westwood, Oct 15 2016
STATUS
approved