Very sneaky noticing this pattern in the answers.
Make a checkerboard matrix
Swap the first and last columns
Find the alphabetic word product
Back to basics 23 - Triangular matrix
Scrabble Scores - 10
Self-similarity 2 - Every third term
Mechanical Advantage of a Gear Train
Lights Out 8 - 5x5, light-only solution? I
Not square-free number sequence
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