A074221 - OEIS

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A074221

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

0

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

(list; graph; refs; listen; history; text; internal format)

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