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A087012 Numbers n such that the number of primes of form 4n+1 between n and 2n equals the number of primes of form 4n+3 between n and 2n (inclusive). +0
3
1, 3, 4, 5, 8, 10, 11, 12, 13, 15, 20, 22, 23, 24, 25, 26, 31, 34, 35, 37, 49, 50, 52, 53, 57, 58, 59, 62, 63, 69, 72, 73, 75, 79, 82, 83, 84, 85, 86, 91, 92, 93, 94, 95, 97, 99, 141, 147, 148, 149, 152, 153, 164, 165, 168, 175, 176, 182, 183, 187, 188, 189, 200, 244, 245 (list; graph; listen)
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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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