First test case is invalid. Please fix it.
I have fixed it.
and the fourth...
It must be OK now!
Determine if a Given Number is a Triangle Number
Determine the number of odd integers in a vector
Remove element(s) from cell array
Generate this matrix
Neither minima nor maxima
Modular multiplicative inverse
Van Eck's Sequence's nth member
Cryptography with A Square Matrix : Encoding
Find two triangular numbers whose sum is input.
Repeat string n times - 3
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