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A107645
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Numbers n such that the string 1311n is the decimal expansion of a prime number.
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4
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11, 13, 29, 43, 49, 71, 103, 109, 127, 131, 143, 173, 181, 217, 223, 229, 239, 241, 251, 259, 263, 287, 301, 307, 311, 341, 353, 367, 377, 383, 403, 407, 419, 433, 449, 473, 481, 493, 503, 509, 523, 547, 553, 559, 577, 599, 617, 619, 623, 643, 689, 691
(list; graph; refs; listen; history; internal format)
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