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A124415 Numbers n such that 2n+1, 4n+1, 8n+1, 16n+1, 32n+1, 64n+1 and 128n+1 are primes. +0
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8325, 82950, 884220, 1120470, 3441690, 5627895, 5765505, 7664745, 7757430, 8555040, 10739505, 11891625, 15514860, 15623475, 18268455, 22631970, 24833775, 27373410, 29342895, 31286970, 31577205, 50077455, 51541035, 58646520 (list; graph; listen)
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Last modified December 19 21:04 EST 2009. Contains 171054 sequences.


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