OFFSET
1,2
COMMENTS
p=1,q=2,a=3,b=4,c=5, ar=3*4/2=6, s=12-+1primes, ...
MATHEMATICA
lst={}; Do[p=n; q=p+1; a=q^2-p^2; c=q^2+p^2; b=2*p*q; s=a+b+c; ar=a*b/2; If[PrimeQ[s-1]&&PrimeQ[s+1], AppendTo[lst, ar/6]], {n, 8!}]; lst
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Joseph Stephan Orlovsky, Jan 21 2009
STATUS
approved