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A088261
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Smallest number prefixed with corresponding term of the sequence of numbers == 1, 3, 7 or 9 (mod 10), i.e. (1, 3, 7, 9, 11, 13, 17, 19, 21, 23, 27, 29, 31, 33, 37, 39, ...) that yields a prime.
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0
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1, 1, 1, 1, 2, 1, 3, 4, 4, 2, 1, 2, 1, 2, 1, 1, 2, 4, 3, 1, 1, 3, 1, 3, 4, 1, 1, 2, 2, 1, 2, 1, 1, 2, 4, 3, 1, 1, 1, 1, 5, 1, 5, 1, 2, 2, 1, 3, 3, 1, 4, 1, 2, 4, 2, 4, 2, 2, 5, 11, 1, 1, 4, 4, 2, 1, 3, 3, 1, 6, 4, 2, 1, 13, 1, 5, 3, 1, 5, 6, 1, 2, 2, 3, 4, 1, 1, 4, 2, 1, 5, 1, 1, 5, 1, 2, 4, 2, 6, 1, 2, 3, 3, 1, 4
(list; graph; refs; listen; history; internal format)
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