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A117738 Least number d such that 10^n -/+ 3d form a prime pair. +0
2
1, 1, 3, 23, 43, 13, 87, 71, 153, 11, 19, 13, 89, 219, 119, 459, 1, 129, 633, 131, 71, 217, 1091, 911, 1141, 511, 143, 201, 377, 379, 371, 377, 83, 201, 993, 53, 143, 307, 423, 919, 259, 263, 759, 3933, 3, 1781, 607, 2327, 7683, 541, 3443, 6507, 4023, 3399, 899 (list; graph; listen)
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Last modified December 20 13:54 EST 2009. Contains 171081 sequences.


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