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A077444
Numbers n such that (n^2 + 4)/2 is a square.
+0
9
2, 14, 82, 478, 2786, 16238, 94642, 551614, 3215042, 18738638, 109216786, 636562078, 3710155682, 21624372014, 126036076402, 734592086398, 4281516441986, 24954506565518, 145445522951122, 847718631141214
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Maintained by
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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.
AT&T Labs Research
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