[seqfan] Re: a question about triangular numbers
franktaw at netscape.net
franktaw at netscape.net
Tue Dec 8 23:08:19 CET 2009
Well, trivially a(n) >= n/3.
Franklin T. Adams-Watters
-----Original Message-----
From: Tanya Khovanova <mathoflove-seqfan at yahoo.com>
Right,
Not any number is a sum of two triangular numbers. When n - (the
largest
triangular not exceeding n) can't be represented as a sum of two
triangles, we
get a drop out.
Is there any lower bound for this sequence?
More information about the SeqFan
mailing list