A074221 Numbers k such that floor(k^e) is prime.

3, 4, 5, 11, 22, 26, 32, 42, 44, 45, 84, 95, 97, 165, 183, 198, 200, 201, 204, 214, 235, 247, 258, 260, 267, 294, 310, 365, 381, 387, 389, 393, 442, 456, 463, 507, 543, 544, 551, 588, 609, 628, 676, 693, 718, 729, 736, 755, 767, 795, 810, 842, 865, 877, 885

Offset

0,1

Links

Table of n, a(n) for n=0..54.

Example

Floor(3^e) = 19.

Mathematica

Select[Range[1000], PrimeQ[Floor[#^E]]&] (* Harvey P. Dale, Jul 21 2013 *)

Crossrefs

Cf. A001113, A050808.

Sequence in context: A361517 A276542 A318077 * A341785 A052276 A173096

Adjacent sequences: A074218 A074219 A074220 * A074222 A074223 A074224

Keyword

nonn

Author

Jon Perry, Sep 17 2002

Status

approved