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A089560 Beginning with 1, rearrangement of natural numbers such that every concatenation a(n)a(n-1)...a(2)a(1) (following the initial term) is prime. +0
14
1, 3, 4, 5, 7, 14, 9, 6, 57, 13, 18, 17, 16, 12, 20, 82, 42, 21, 45, 78, 98, 33, 133, 50, 28, 41, 124, 36, 44, 19, 80, 40, 75, 63, 372, 168, 179, 85, 84, 128, 64, 302, 151, 248, 10, 69, 123, 11, 54, 31, 149, 34, 185, 51, 213, 43, 282, 105, 125, 237, 55, 174, 96, 438, 215, 61 (list; graph; listen)
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Last modified December 19 21:04 EST 2009. Contains 171054 sequences.


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