Problem:
Consider the arithmetic sequence defined by $a_1=\frac{13}{32}$, and $a_n=a_{n-1}+0$ for $n > 1$. Compute the nth partial sum, $S_n=\sum_{k=1}^n a_k$, where $n=18$.
Answer:
$\frac{117}{16}$
{'source': 'AMPS', 'file': 'amps/mathematica/algebra/arithmetic_series/44307.txt'}