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Search: id:A007488
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| A007488 |
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Primes whose reversal is a square.
(Formerly M5321)
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+0
23
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| 61, 163, 487, 691, 1297, 1861, 4201, 4441, 4483, 5209, 5227, 9049, 9631, 12391, 14437, 16141, 16987, 61483, 63211, 65707, 65899, 67057, 69481, 92767, 94273, 96979, 106303, 108061, 123031, 123373, 125329, 127291, 129643, 142771, 146857
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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For prime reversals that are cubes, 4th powers, 5th powers see A057699, A058996, A059000. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 13 2007
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REFERENCES
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C. W. Trigg, Primes with Reverses That Are Powers, J. Rec. Math., 17 (1985), 172-176.
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LINKS
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T. D. Noe, Table of n, a(n) for n=1..1000
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MATHEMATICA
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Select[ Range[ 10^6 ], PrimeQ[ # ] && IntegerQ[ Sqrt[ ToExpression[ StringReverse[ ToString[ # ] ] ] ] ] & ]
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CROSSREFS
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Cf. A059007. See A132388 for another version.
Adjacent sequences: A007485 A007486 A007487 this_sequence A007489 A007490 A007491
Sequence in context: A138627 A106096 A142482 this_sequence A142538 A057216 A139993
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KEYWORD
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base,nonn,nice,easy
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AUTHOR
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njas, Robert G. Wilson v (rgwv(AT)rgwv.com)
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