OFFSET
1,1
COMMENTS
From a quiz
REFERENCES
K. Russell and P. Carter, Number Puzzles, W. Foulsham and Co. Ltd. (1993).
EXAMPLE
1:55; 2:10; 2:25; 2:40; 2:55
CROSSREFS
KEYWORD
nonn
AUTHOR
Herman Jamke (hermanjamke(AT)fastmail.fm), Sep 14 2006
STATUS
approved