

A075315


Pair the natural numbers such that the nth pair is (k, k+p(n)) where k is the smallest number not occurring earlier and p(n) is the nth prime. (1, 3), (2, 5), (4, 9), (6, 13), (7, 18), (8, 21), (10, 27), (11, 30), (12, 35), (14, 43), ... This is the sequence of the sum of the members of every pair.


3



4, 7, 13, 19, 25, 29, 37, 41, 47, 57, 61, 69, 75, 81, 87, 97, 105, 109, 117, 123, 129, 137, 145, 153, 163, 169, 175, 181, 185, 191, 207, 213, 221, 227, 239, 245, 253, 261, 267, 275, 283, 289, 301, 305, 311, 317, 331, 345, 353, 357, 363, 371, 377, 389, 397, 405
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