[seqfan] Re: defn A011773

[Maximilian Hasler]

On Sun, Oct 23, 2011 at 10:14 AM, Richard Mathar wrote:
> I'd appreciate a definition in http://oeis.org/A011773 which is more precise
> than "Related to Carmichael's lambda function: for precise definition see the Mathematica program below."

I propose to replace the 2nd part of the name by

a(p1^e1*...*pN^eN) = LCM((p1-1)*p1^(e1-1),...,(pN-1)*pN^(eN-1)).

Maximilian