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A034849
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a(n) = P(n,2) = 1+2*K(n,2)=1+2*A034784(n). P(n,2) are special odd primes. The values of k are given by A034784. See that e.g. 13,37,61,73,157,541 etc. are not in this sequence.
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3
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7, 11, 17, 19, 23, 29, 31, 41, 43, 47, 53, 59, 67, 71, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 163, 167, 173, 179, 181, 191, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 281, 283, 293, 307, 311, 317, 331
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