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.

A157991 Number of n-colorings of the Levi Graph.

Table of values

n a(n)
0 0
1 0
2 2
3 5514234
4 2883040542828
5 40804091270010980
6 60520556880158419470
7 21901769993996949991662
8 3041658168762971457654584
9 211558602330274827202235208
10 8728129703136293355833601210
11 239394223814453881755898003490
12 4731013227415233819791988908772

List of values

[0, 0, 2, 5514234, 2883040542828, 40804091270010980, 60520556880158419470, 21901769993996949991662, 3041658168762971457654584, 211558602330274827202235208, 8728129703136293355833601210, 239394223814453881755898003490, 4731013227415233819791988908772]