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A134876
Number of Proth primes; primes of the form 1 + k*2^n with k odd and k < 2^n.
+0
2
1, 2, 1, 3, 4, 8, 18, 23, 44, 73, 142, 277, 484, 871, 1644, 3060, 5851, 10917, 20776, 39263, 74752, 142521, 271223, 520242, 996486, 1916486, 3686628, 7103236, 13702428, 26469008
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.
AT&T Labs Research
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