if x = 4, the solution will be: y = 1^2+2^2+3^2+4^2=1+4+9+16 = 30.
Times 2 - START HERE
Back to basics 14 - Keywords
Generate a vector like 1,2,2,3,3,3,4,4,4,4
What number has this problem?
sum all digits
concatenate the elements
No more zeros
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