A059208 Numbers n such that n^7 reversed is a prime.

2, 20, 29, 41, 71, 76, 79, 133, 151, 152, 193, 200, 257, 268, 290, 359, 377, 379, 382, 389, 410, 493, 518, 544, 607, 710, 739, 760, 773, 784, 790, 794, 964, 1006, 1019, 1024, 1049, 1178, 1217, 1330, 1336, 1339, 1409, 1427, 1442, 1448, 1456, 1481, 1492

Offset

1,1

Links

G. C. Greubel, Table of n, a(n) for n = 1..14000

Mathematica

Select[Range[2000], PrimeQ[ToExpression[StringReverse[ToString[#^7]]]] &]
Select[Range[1500], PrimeQ[IntegerReverse[#^7]]&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, May 29 2017 *)

Crossrefs

Sequence in context: A108342 A136903 A078460 * A268742 A261460 A061471

Adjacent sequences: A059205 A059206 A059207 * A059209 A059210 A059211

Keyword

nonn,base

Author

Robert G. Wilson v, Jan 16 2001

Status

approved