References to A180328

Semiprimes pq such that there is another semiprime rs with (p+1)(q+1)=(r+1)(s+1) and p, q, r, and s distinct primes.
14, 15, 33, 35, 46, 51, 55, 62, 69, 77, 87, 94, 95, 115, 118, 119, 123, 141, 142, 143

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