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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A220754 Number of ordered triples (a,b,c) of elements of the symmetric group S_n such that the triple a,b,c generates a transitive group.

Table of values

n a(n)
1 1
2 7
3 194
4 12858
5 1647384
6 361351560
7 125116670160
8 64439768489040
9 47159227114392960
10 47285264408385951360
11 63057420721939066617600
12 109118766834521171299756800
13 239996135160204867851157273600
14 659114500480471292127627441484800

List of values

[1, 7, 194, 12858, 1647384, 361351560, 125116670160, 64439768489040, 47159227114392960, 47285264408385951360, 63057420721939066617600, 109118766834521171299756800, 239996135160204867851157273600, 659114500480471292127627441484800]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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