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Search: id:A058991
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| A058991 |
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Smallest number not a power of two whose reversal of its n-th power is a prime. |
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+0
1
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| 3, 14, 5, 14, 41, 49, 29, 23, 131, 53, 17, 7, 25, 28, 47, 53, 134, 25, 79, 95, 47, 46, 28, 7, 19, 5, 85, 86, 541, 47, 104, 314, 25, 115, 113, 5, 46, 25, 67, 71, 142, 226, 5, 53, 95, 304, 14, 106, 85, 202
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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Do[ k = 1; While[ Mod[ k, 10 ] == 0 || IntegerQ[ Log[ 2, k ] ] || ! PrimeQ[ ToExpression[ StringReverse[ ToString[ k^n ] ] ] ], k++ ]; Print[ k ], {n, 1, 50} ]
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CROSSREFS
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Sequence in context: A105291 A048756 A016549 this_sequence A090786 A127818 A138959
Adjacent sequences: A058988 A058989 A058990 this_sequence A058992 A058993 A058994
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KEYWORD
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nonn,base
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Jan 16 2001
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