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A075114
Perfect powers n such that 2n+1 is a perfect power; the value of y^b in the solution of the Diophantine equation x^a-2y^b=1.
+0
10
4, 121, 144, 4900, 166464, 5654884, 192099600, 6525731524, 221682772224, 7530688524100, 255821727047184, 8690408031080164, 295218051329678400, 10028723337177985444, 340681375412721826704
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Maintained by
N. J. A. Sloane
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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.
AT&T Labs Research
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