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re: Advent of Code 2019 Solution Megathread - Day 22: Slam Shuffle VIEW POST

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re: I take no shame in reading a few lisp solutions to spoil my answer. With every year, I find a new way of looking at data that uncovers new possible...
 

Didn't know about this equation. Also you may have accidentally written m instead of n in the formula :) .

Whoops! The notes I have it in mark it as ‘partial sum(n2) for 1 to m = ...` (copied from wolfram alpha)

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