Question about A096461
franktaw at netscape.net
franktaw at netscape.net
Tue Jun 26 22:08:32 CEST 2007
It really shouldn't.
It is common, although incorrect, to regard the prime factorization of
1 as 1. See, for example, A027746. But really, the prime
factorization of 1 is the empty multiset, which sums to 0.
The description of A096461 should be changed to "Starting with a(1)=1
and a(2)=2, ..."
Franklin T. Adams-Watters
-----Original Message-----
From: Neville Holmes <nholmes at leven.comp.utas.edu.au>
A096461, starting 1 2 4 8 14 23 ..., is described as
"Starting with a(1)=1, increment a(n) by the sum of
its prime factors." I can see how it would work
with a(1)=2, but why and how does it start with 1 ?
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