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A135623
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Mersenne primes written backwards.
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1
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3, 7, 13, 721, 1918, 170131, 782425, 7463847412, 1593963129003485032, 111265944731096246910079816, 721882010875193363312928672952261, 727501488517303786137132964064381141071
(list; graph; refs; listen; history; internal format)
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