One interesting spin is: can you solve this problem using a freepass?
It will, but will the freepass work again if I rescore the solution? :-)
Now you're just showing off... :-P
Determine if a Given Number is a Triangle Number
Back to basics 7 - Equal NaNs
middleAsColumn: Return all but first and last element as a column vector
Return the first and last character of a string
Add two numbers
Rewrite setdiff to account for non-unique values
Numbers in extended form
Generate a Parasitic Number
Breaking Out of the Matrix
That's some divisor you've got there...
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