Replicate each element of a row vector (with NaN) a constant number of times.
n=2, A=[1 2 3] -> [1 1 2 2 3 3]
n=0, A=[2 1] -> 
Remove all the consonants
Triangle Numbers Below N
Solve the set of simultaneous linear equations
sum of non-primes
Find Missing Number
Sum of big primes without primes
Pandigital number n°3 (Inspired by Project Euler 32)
Pandigital number n°2 (Inspired by Project Euler 32)
Narcissistic number ?
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