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Hal M. Switkay, <a href="/A360389/b360389.txt">Table of n, a(n) for n = 1..44</a>
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Shreeram S. Abhyankar, <a href="https://www.amsdoi.org/journals/bull/1992-27-01/S0273-0979-1992-00270-710.1090/S0273-0979-1992-00270-7.pdf">Galois Theory on the Line in Non-Zero Characteristic</a>, Bulletin of the AMS, 27 (1992), 68-133.
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The orders of 4-transitive permutation groups.
24, 120, 360, 720, 2520, 5040, 7920, 20160, 40320, 95040, 181440, 362880, 1814400, 3628800, 10200960, 19958400, 39916800, 239500800, 244823040, 479001600, 3113510400, 6227020800, 43589145600, 87178291200, 653837184000, 1307674368000
1,1
The 4-transitive permutation groups are either: 1) symmetric groups of degree k for k >= 4, with order k! = A000142(k); 2) alternating groups of degree k for k >= 6, with order k!/2 = A001710(k); or 3) Mathieu groups of degree 11, 12, 23, or 24, with order A001228(k), where k = 1, 2, 6, or 9 respectively.
Shreeram S. Abhyankar, <a href="https://www.ams.org/journals/bull/1992-27-01/S0273-0979-1992-00270-7/S0273-0979-1992-00270-7.pdf">Galois Theory on the Line in Non-Zero Characteristic</a>, Bulletin of the AMS, 27 (1992), 68-133.
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Hal M. Switkay, Feb 05 2023
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