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A116222 Numbers n such that n+(n+1) is prime and sum of the prime factors of n and n+1 is also prime. +0
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1, 2, 3, 9, 14, 20, 21, 30, 36, 41, 51, 68, 78, 83, 95, 99, 113, 131, 134, 135, 138, 153, 158, 209, 216, 249, 285, 299, 300, 303, 315, 320, 326, 350, 366, 375, 378, 413, 443, 453, 455, 468, 483, 488, 495, 498, 510, 543, 545, 615, 618, 645, 699, 713, 741, 771 (list; graph; listen)
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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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