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A060698
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The sum of the first n composite numbers minus 1 is a prime.
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0
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1, 3, 11, 15, 22, 39, 51, 57, 66, 67, 71, 79, 98, 105, 108, 109, 115, 118, 119, 125, 135, 150, 151, 152, 156, 160, 169, 200, 201, 205, 211, 223, 228, 241, 271, 281, 282, 291, 312, 315, 322, 331, 341, 350, 372, 382, 385, 395, 401, 420, 433, 461, 482, 498, 544
(list; graph; refs; listen; history; internal format)
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