Neil,
with the following MAGMA program
z:=125; [ p-f where p is NextPrime(f+1) where f is Factorial(n): n
in [1..z] ];
I can't get beyond a(125), but perhaps someone who has unrestricted
acces to a MAGMA machine can.
Klaus
N. J. A. Sloane schrieb:
>
> Maybe someone else could redo the calculation with mma (up to 1200, say)?
>
> Neil
>