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A066388 Numbers n such that n and 2n are both between a pair of twin primes. +0
6
6, 30, 660, 810, 2130, 2550, 3330, 3390, 5850, 6270, 10530, 33180, 41610, 44130, 53550, 55440, 57330, 63840, 65100, 70380, 70980, 72270, 74100, 74760, 78780, 80670, 81930, 87540, 93240, 102300, 115470, 124770, 133980, 136950, 156420 (list; graph; listen)
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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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