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A065691
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a(1) = 0; for n > 1 is a(n) the smallest integer > 0 such that the concatenation a(n)a(n-1)...a(2)a(1) is a square.
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8
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0, 10, 8, 16, 146, 22086, 31071113326, 365107058344463715696, 2684967738644586785227227090233956040549004, 809079884187716191997158821357206898310718837487307207657194711477350102495950972665
(list; graph; refs; listen; history; internal format)
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