Lemma
MediumPermutations & combinations
AQuA-RAT train #51403 · Combinatorics · Permutations & combinations

Six friends go to see a comedy at the local movie theater…

Six friends go to see a comedy at the local movie theater and sit in a particular row together. If Grady and Howard are among those 6 friends but can never sit next to each other, how many 6-person seating arrangements are possible?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #51403

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