OFFSET
4,1
COMMENTS
The area of a prime sided triangle is always an irrational number.
LINKS
Andrew Howroyd, Table of n, a(n) for n = 4..1000
PROG
(PARI) \\ here areasquared is square of area of triangle with given sides.
areasquared(a, b, c)={my(p=(a+b+c)/2); p*(p-a)*(p-b)*(p-c)}
a(n)={sqrtint(floor(areasquared(prime(n), prime(n+2), prime(n+4))))} \\ Andrew Howroyd, Aug 17 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
Cino Hilliard, Aug 05 2004
EXTENSIONS
Name clarified, a(4) prepended and data corrected by Andrew Howroyd, Aug 17 2018
STATUS
approved