Given a and n, compute and approximation to f = a * e ^ n, without the use of exp, string operations, or floating point numbers.
a = 1
n = 1
f = 2.71828
Best approximation of e, according to the rat function.
Number of 1s in a binary string
Reindex a vector
sum of non-primes
Simple date to serial no. conversion
factorial of a number x
Number construction I
Return the sequence element I
Mean number of letters per word (Hard)
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