OFFSET
1,1
EXAMPLE
a(2)=-216 because (7-2*5-3)^3=(-6)^3=-216.
MAPLE
a:=n->(ithprime(n+2)-2*ithprime(n+1)-ithprime(n))^(n+1): seq(a(n), n=1..14);
MATHEMATICA
a = Table[Abs[(Prime[n + 2] - 2*Prime[n + 1] - Prime[n])^PrimePi[Prime[n + 1]]], {n, 1, 25}]
CROSSREFS
KEYWORD
sign
AUTHOR
Roger L. Bagula, Jun 29 2005
STATUS
approved