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A034986
a(n)^2 is smallest square number starting with a string of n 5's.
2
23, 235, 745, 2357, 235702, 745356, 745356, 23570226, 2357022603, 2357022604, 7453559925, 7453559925, 7453559924999, 74535599249993, 74535599249993, 7453559924999299, 7453559924999299, 745355992499929899, 7453559924999298988, 7453559924999298988
OFFSET
1,1
EXAMPLE
a(5) = 235702^2 = {55555}432804.
CROSSREFS
Cf. A034987.
Sequence in context: A140844 A168438 A290425 * A243449 A362431 A087332
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Nov 15 1998
EXTENSIONS
More terms from Francisco Salinas (franciscodesalinas(AT)hotmail.com), Dec 23 2001
STATUS
approved