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A157483 Numbers n such that n-+1 are divisible by exactly 3 primes, counted with multiplicity. +0
6
19, 29, 43, 51, 67, 69, 77, 115, 171, 173, 187, 189, 237, 243, 245, 267, 274, 283, 285, 291, 317, 344, 355, 386, 403, 405, 411, 424, 427, 429, 435, 437, 476, 507, 597, 603, 604, 605, 638, 653, 664, 669, 723, 763, 776, 787, 789, 846, 891, 893, 907, 926, 963 (list; graph; listen)
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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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