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A029724
Odd numbers congruent to 7 mod 8 such that (2^(h(-n)+2)-n) is a perfect square.
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7, 15, 23, 31, 39, 47, 55, 63, 71, 79, 87, 103, 127, 135, 151, 175, 183, 199, 207, 223, 247, 255, 271, 295
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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 11 12:57 EST 2009. Contains 170656 sequences.
AT&T Labs Research
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