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Riesel primes of the form 31•2n-1

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Reserved! This sequence is currently reserved by: Michael Curtis

Current data

k , b : 31 , 2
Count : 50
Nash : 2188
Max n : 3,000,000
Date : 2023-07-17
Reserved : Michael CurtisMichael Curtis/Reserved
1, 5, 7, 11, 13, 23, 33, 35, 37, 47, 115, 205, 235, 271, 409, 739, 837, 887, 2189, 3465, 4653, 5073, 8011, 8061, 21957, 24589, 25657, 44653, 50321, 57647, 62083, 78179, 80021, 81655, 111667, 150265, 177089, 196433, 274115, 306751, 311389, 315523, 406105, 421129, 666285, 773227, 1142093, 1611311, 1755317, 2585311

History