Posted by Em on Tuesday, May 22, 2012 at 2:50pm.
For the sequence 3,8,15,24,35....
find a formula for tsubn in terms of n.

math  Em, Tuesday, May 22, 2012 at 2:54pm
3,8,15,24,35
1,2,3, 4, 5
I think it's
t(n) = (n+2) * n
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