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A121371
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Least number k such that (k*M(n))^2 + k*M(n) - 1 and (k*M(n))^2 + k*M(n) + 1 are twin primes with M(i)=i-th Mersenne prime.
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1
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1, 3, 5, 8, 99, 275, 278, 409, 96, 1538, 1253, 15858, 189168, 119552, 221444, 1047122, 3571449
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