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Search: id:A161354
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| A161354 |
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Cubes whose reversal is a prime number. |
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+0
1
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| 125, 125000, 140608, 704969, 1643032, 1815848, 3511808, 3723875, 3869893, 7301384, 9393931, 10360232, 11543176, 14526784, 15069223, 15252992, 15813251, 16777216, 19902511, 34328125, 34645976, 35287552, 70444997, 92345408
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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1815848 is in the list because is a cube number and 8485181 is a prime
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MAPLE
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rev := proc (n) local nn: nn := convert(n, base, 10): add(nn[j]*10^(nops(nn)-j), j = 1 .. nops(nn)) end proc: a := proc (n) if isprime(rev(n^3)) = true then n^3 else end if end proc: seq(a(n), n = 1 .. 460); [From Emeric Deutsch (deutsch(AT)duke.poly.edu), Jun 27 2009]
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CROSSREFS
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A057699
Sequence in context: A013783 A030697 A050640 this_sequence A003751 A120807 A013836
Adjacent sequences: A161351 A161352 A161353 this_sequence A161355 A161356 A161357
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KEYWORD
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nonn,base
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AUTHOR
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Claudio L Meller (claudiomeller(AT)gmail.com), Jun 07 2009
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