showtime : true;

digits: makelist(i,i,0,9);

p : permutations(digits)$

listify(p)[1000000];

Evaluation took 0.8800 seconds (1.0300 elapsed)
Evaluation took 0.0100 seconds (0.0100 elapsed)

[2,7,8,3,9,1,5,4,6,0]

— Me@2024-12-03 04:11:50 PM

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2024.12.04 Wednesday (c) All rights reserved by ACHK