# A calculus problem by Hummus a

Calculus Level pending

$\large \displaystyle\sum _{ n=0 }^{ \infty }{ \frac { 1 }{ \left( \frac { n }{ 2 } \right) ! } } =e(a+\text{ erf }(b))$

The equation above holds true for positive integers $$a$$ and $$b$$. Find $$a+b$$.

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