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A020498 a(n) is the smallest number such that n primes occur infinitely often among (x+a(1), ...,x+a(n)). +0
4
1, 3, 7, 9, 13, 19, 21, 27, 31, 33, 37, 43, 49, 51, 57, 63, 69, 73, 79, 87, 91, 97, 99, 103, 111, 117, 121, 129, 133, 139, 141, 147, 153, 157, 159, 163, 169, 177, 183, 187, 189, 199, 201, 211, 213, 217, 231, 241, 243, 247, 253, 261, 267, 271, 273, 279, 283, 289 (list; graph; listen)
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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.


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