Posted by **Garen** on Monday, May 21, 2012 at 11:03am.

For the sequence 3,8,15,24,35,48,63

write an equation for t(subn) in terms of n.

- math -
**Steve**, Monday, May 21, 2012 at 12:03pm
the differences are 5,7,9,11,...

since n^2 is the sum of the first n odd numbers, that suggests we look for a square in here.

T_{n} = (n+1)^2 - 1

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