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A065781 a(1) = 25; for n > 1, a(n) is the smallest integer > 0 such that the concatenation a(n)a(n-1)...a(2)a(1) is a square. 2
25, 2, 1, 8, 162, 70771, 164268122, 22882298366163557088, 976324672198183536165095004791768497036, 67395729561035485747722358417684895847812434249174374011671902126543092988774 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A040618 A040619 A040617 * A040616 A040620 A040621
KEYWORD
base,nonn
AUTHOR
Klaus Brockhaus, Nov 19 2001
EXTENSIONS
More terms from Ulrich Schimke (ulrschimke(AT)aol.com), Dec 18 2001
STATUS
approved

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Last modified April 23 06:04 EDT 2024. Contains 371906 sequences. (Running on oeis4.)