Problem asks for palindromes starting at 1, but test cases start at 100.
Now it goes down to 10, but wouldn't single digits be considered palindromes as well?
Additional test cases were added and the description slightly enhanced.
Omit columns averages from a matrix
Replicate elements in vectors
Find out sum of prime number till given number
Concatenate two strings
Convert a number to its Roman representation
Create the following sequence : 0 1 1 4 9 25 64 169 ...
Find the dimensions of a matrix
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