cp's OEIS Frontend

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.

A027841 Number of subgroups of index n in fundamental group of a certain fiber space.

Table of values

n a(n)
1 1
2 31
3 301
4 6491
5 151711
6 6673555
7 362072313
8 26375525171
9 2384038557346
10 264381564291841
11 35133143655949285
12 5515729547285229215
13 1009373492449379396535
14 212997911098253654157543
15 51337590023914004777654131
16 14016616814681248497416279139

List of values

[1, 31, 301, 6491, 151711, 6673555, 362072313, 26375525171, 2384038557346, 264381564291841, 35133143655949285, 5515729547285229215, 1009373492449379396535, 212997911098253654157543, 51337590023914004777654131, 14016616814681248497416279139]

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

Content is available under The OEIS End-User License Agreement.