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A152871
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On the first step, put a(1)=3; on the Nth step, N>=2, we subtract from 2^(N+1) all the constructed numbers on the preceding steps and include all prime differences into the sequence
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1
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3, 5, 11, 13, 19, 29, 53, 59, 61, 67, 109, 197, 227, 251, 499, 509, 773, 797, 827, 971, 1013, 1019, 1021, 1549, 1987, 2029, 3083, 3299, 3323, 4091, 4093
(list; graph; refs; listen; history; internal format)
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