Make a function which takes one positive integer n and returns a matrix with the numbers of the form (2^i)*(3^j)*(5^k) which are lower or equal to n (i,j,k integers).
The problem statement should specify that i, j, and k are non-negative integers or the number of answers becomes infinite.
Also, why is 1 not included in all of the answers. 2^0*3^0*5^0 = 1
Counting in Finnish
String substitution, sub problem to cryptoMath
Multiply 2 numbers
Iterative sum of digits of 2^n number
Maximum of ND-array
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