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A145196 Partial sums of number of primes < nth-prime p such that p+4 is prime. +0
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0, 0, 1, 2, 4, 6, 9, 12, 16, 20, 24, 28, 33, 38, 44, 50, 56, 62, 68, 75, 82, 89, 97, 105, 113, 122, 131, 141, 151, 162, 173, 185, 197, 209, 221, 233, 245, 257, 270, 283, 296, 309, 322, 335, 349, 363, 377, 391, 406, 421, 437, 453, 469, 485, 501, 517, 533, 549, 565 (list; graph; listen)
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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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