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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
OFFSET
1,1
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Klaus Brockhaus, Nov 19 2001
EXTENSIONS
More terms from Ulrich Schimke (ulrschimke(AT)aol.com), Dec 18 2001
STATUS
approved