login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Numbers k such that floor(k^Pi) is a prime.
0

%I #10 Jan 14 2025 22:04:37

%S 3,21,27,46,63,64,65,73,74,92,95,109,111,121,128,131,146,148,150,160,

%T 196,202,214,237,255,277,292,299,336,351,355,371,378,391,392,397,406,

%U 428,436,442,480,482,502,514,524,534,560,598,602,612,617,625,634,670

%N Numbers k such that floor(k^Pi) is a prime.

%e Floor(3^pi)=31

%t Select[Range[700],PrimeQ[Floor[#^Pi]]&] (* _Harvey P. Dale_, Jul 19 2019 *)

%K nonn,changed

%O 1,1

%A _Jon Perry_, Sep 17 2002

%E Offset changed by _Sean A. Irvine_, Jan 14 2025