this post was submitted on 11 Feb 2026
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Math Memes

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[–] Wirlocke@lemmy.blahaj.zone 5 points 1 week ago* (last edited 1 week ago) (2 children)

No matter what wouldn't this grow to infinite passengers? Is that supposed to be the point?

Because any even number is going to halve itself down to ~~1, which is odd~~ an odd number, then double plus one will always make another odd number so it would grow to infinity.

Edit: Misread the problem, read replies for explanations

[–] Lauchmelder@feddit.org 8 points 1 week ago (1 children)

It's stated wrongly. The Collatz Conjecture is about the case where you triple an odd number and add one, that way you enter a loop if you get down to 1 (1 -> 4 -> 2 -> 1)

[–] apotheotic@beehaw.org 10 points 1 week ago (2 children)

It isn't stated wrongly: 2n+1 get on, which means 3n+1 are on board

[–] Wirlocke@lemmy.blahaj.zone 1 points 1 week ago

OH that makes sense, so I misread it.

[–] wonderingwanderer@sopuli.xyz 5 points 1 week ago

2n+1 enter the trolley, meaning 3n+1, which in the case of n being an odd number, will always equal an even.