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A065793
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a(1) = 81; 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.
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1
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81, 16, 146, 22086, 31071113326, 365107058344463715696, 2684967738644586785227227090233956040549004, 809079884187716191997158821357206898310718837487307207657194711477350102495950972665
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OFFSET
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1,1
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COMMENTS
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LINKS
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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