|
Search: id:A007488
|
|
|
| A007488 |
|
Primes whose reversal is a square.
(Formerly M5321)
|
|
+0
23
|
|
| 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)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
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
|
|
REFERENCES
|
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
C. W. Trigg, Primes with Reverses That Are Powers, J. Rec. Math., 17 (1985), 172-176.
|
|
LINKS
|
T. D. Noe, Table of n, a(n) for n=1..1000
|
|
MATHEMATICA
|
Select[ Range[ 10^6 ], PrimeQ[ # ] && IntegerQ[ Sqrt[ ToExpression[ StringReverse[ ToString[ # ] ] ] ] ] & ]
|
|
CROSSREFS
|
Cf. A059007. See A132388 for another version.
Sequence in context: A161853 A106096 A142482 this_sequence A142538 A057216 A139993
Adjacent sequences: A007485 A007486 A007487 this_sequence A007489 A007490 A007491
|
|
KEYWORD
|
base,nonn,nice,easy
|
|
AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com), Robert G. Wilson v (rgwv(AT)rgwv.com)
|
|
|
Search completed in 0.002 seconds
|
