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A058620
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Lesser of two consecutive primes such that their difference divided by two is a prime: ( P(next prime after n) - P(n) )/2 is prime.
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7, 13, 19, 23, 31, 37, 43, 47, 53, 61, 67, 73, 79, 83, 97, 103, 109, 113, 127, 131, 139, 151, 157, 163, 167, 173, 181, 193, 223, 229, 233, 241, 251, 257, 263, 271, 277, 283, 293, 307, 313, 317, 331, 337, 349, 353, 367, 373, 379, 383, 397, 409, 421, 433, 439
(list; graph; refs; listen; history; internal format)
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