OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
EXAMPLE
Ceiling(2^1.5) = 3 is a prime, so it is in the sequence.
Ceiling(3^1.5) = 6 is not prime, so it is not in the sequence.
MATHEMATICA
Select[Ceiling[Range[400]^(3/2)], PrimeQ]
PROG
(PARI) for (n=1, 1000, if (isprime(ceil(n^1.5)), write("prime15.txt", ceil(n^1.5))))
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Jon Perry, May 03 2002
EXTENSIONS
Edited by Dean Hickerson, May 07 2002
STATUS
approved