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A180541
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Primes that become a different prime under the mapping 3 <=> 5.
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0
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3, 5, 131, 137, 151, 157, 337, 347, 547, 557, 839, 859, 1031, 1051, 1367, 1439, 1459, 1567, 1637, 1657, 1931, 1951, 2351, 2531, 2837, 2857, 3011, 3119, 3167, 3209, 3251, 3257, 3301, 3307, 3319, 3391, 3407, 3449, 3457, 3547, 3581, 3631, 3637, 3659, 3701
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..45.
Index to Primes, Primes that become a different prime under some mapping.
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MATHEMATICA
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fQ[n_] := Block[{id = IntegerDigits@n}, (MemberQ[id, 3] || MemberQ[id, 5]) && PrimeQ[ FromDigits[ id /. {3 -> 5, 5 -> 3}] ]]; Select[ Prime@ Range@ 550, fQ]
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CROSSREFS
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Cf. A171026, A175791, A180517 thru A180559, A175789, A180560, A180561.
Sequence in context: A070743 A215239 A161749 * A103993 A088269 A164371
Adjacent sequences: A180538 A180539 A180540 * A180542 A180543 A180544
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KEYWORD
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base,nonn
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AUTHOR
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Zak Seidov and Robert G. Wilson v, Sep 09 2010
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STATUS
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approved
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