**Integers n such that (n^2)/2 is the arithmetic mean of a pair of twin primes.**

*6, 12, 42, 48, 72, 84, 90, 174, 204, 264, 306, 372, 408, 456, 474, 546, 594, 600, 642*

*1 seqfan posts*

Index of A-numbers in seqfan: by ascending order by month by frequency by keyword

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