A180452 - OEIS

A180452

Primes of the form floor(n^sqrt(Pi)).

3, 7, 11, 17, 23, 31, 59, 107, 151, 167, 239, 367, 439, 491, 601, 631, 691, 919, 1063, 2309, 2909, 3083, 3823, 4019, 4219, 4423, 5431, 5507, 5659, 5813, 6047, 7451, 9551, 10037, 10837, 10939, 14071, 16673, 17291, 19073, 19993, 21067, 21613, 25163

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

OFFSET

1,1

LINKS

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[Floor[Range[350]^Sqrt[Pi]], PrimeQ] (* Harvey P. Dale, Apr 23 2022 *)

PROG

(PARI) for(n=1, 1e4, if(ispseudoprime(t=floor(n^sqrt(Pi))), print1(t", "))); v \\ Charles R Greathouse IV, Feb 18 2011

CROSSREFS

A134707 INTERSECT A000040.

Sequence in context: A333996 A262502 A211076 * A294479 A331968 A029715

Adjacent sequences: A180449 A180450 A180451 * A180453 A180454 A180455

KEYWORD

easy,nonn

AUTHOR

William A. Tedeschi, Sep 07 2010

EXTENSIONS

Formula rewritten by R. J. Mathar, Sep 09 2010

STATUS

approved