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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.

A267575 Number of size 3 subsets of S_n that generate a transitive group.

Table of values

n a(n)
3 20
4 1932
5 269040
6 60018480
7 20842305120
8 10739272592160
9 7859814146553600
10 7880871595516819200
11 10509569407728543398400
12 18186461035281996953126400
13 39999355842324635340366182400
14 109852416743246886658078908979200
15 371006429409575280027759776435712000

List of values

[20, 1932, 269040, 60018480, 20842305120, 10739272592160, 7859814146553600, 7880871595516819200, 10509569407728543398400, 18186461035281996953126400, 39999355842324635340366182400, 109852416743246886658078908979200, 371006429409575280027759776435712000]

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

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