A067599 & A068633

[franktaw at netscape.net]

Perhaps there should be some standard way to indicate that the first 
term of a sequence doesn't really belong there (as the 11 in A068633), 
but is included because someone might search for the sequence that way.

Although I would argue that a(1) of this sequence should be 0, not 11.

Franklin T. Adams-Watters


-----Original Message-----
From: zakseidov at yahoo.com

Do we need two separate  A067599  & A068633 ?
Thanks, Zak

A067599 Decimal encoding of the prime factorization of
n.
21, 31, 22, 51, 2131, 71, 23, 32, 2151, 111,..

A068633 Let n = p^a*q^b... then a(n) = concatenation
paqb...
11, 21, 31, 22, 51, 2131, 71, 23, 32, 2151, 111,..

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