A095961 If p(x) is the x-th prime, then the n-th set of 2 consecutive sexy prime pairs starts at p(a(n)).

9, 16, 21, 37, 54, 56, 71, 74, 84, 100, 103, 105, 108, 165, 185, 200, 208, 216, 243, 255, 271, 273, 298, 345, 347, 349, 354, 356, 372, 412, 464, 466, 494, 504, 506, 521, 554, 559, 603, 627, 630, 660, 668, 682, 684, 709, 711, 720, 762, 767, 769, 787, 789, 814