OFFSET
1,1
COMMENTS
The 'ij' in 'vijf' has been counted as one letter here. Counting it as one or two letters are both common in Dutch. - André Engels, Dec 07 2003
REFERENCES
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
CROSSREFS
KEYWORD
nonn,word
AUTHOR
STATUS
approved