OFFSET
1,3
LINKS
Michael Gilleland, Levenshtein Distance [It has been suggested that this algorithm gives incorrect results sometimes. - N. J. A. Sloane]
Eric Weisstein's World of Mathematics, Square Number
Eric Weisstein's World of Mathematics, Binary
Eric Weisstein's World of Mathematics, Ternary
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Reinhard Zumkeller, Dec 18 2003
STATUS
approved