1,1

Larger values not certified.

a(2)=3 because (10-3)*(10-2)*(10-1) - 1 = 503 is prime.

Cf. A110396.

Sequence in context: A070527 A158652 A127074 this_sequence A071373 A138773 A132989

Adjacent sequences: A109614 A109615 A109616 this_sequence A109618 A109619 A109620

more,nonn

Jason Earls (zevi_35711(AT)yahoo.com), Aug 01 2005