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A075843
99*a(n)^2 + 1 is a square.
+0
6
0, 1, 20, 399, 7960, 158801, 3168060, 63202399, 1260879920, 25154396001, 501827040100, 10011386405999, 199725901079880, 3984506635191601, 79490406802752140, 1585823629419851199, 31636982181594271840
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.
AT&T Labs Research
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