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A091515
Indices n of Carol (or near-square) primes: numbers n such that (2^n-1)^2-2 = 4^n-2^{n+1}-1 is prime.
+0
9
2, 3, 4, 6, 7, 10, 12, 15, 18, 19, 21, 25, 27, 55, 129, 132, 159, 171, 175, 315, 324, 358, 393, 435, 786, 1459, 1707, 2923, 6462, 14289, 39012, 51637, 100224, 108127, 110953, 175749, 185580, 226749, 248949, 253987
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 6 11:04 EST 2009. Contains 170427 sequences.
AT&T Labs Research
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