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.

A080253 a(n) is the number of elements in the Coxeter complex of type B_n (or C_n).

Table of values

n a(n)
0 1
1 3
2 17
3 147
4 1697
5 24483
6 423857
7 8560947
8 197613377
9 5131725123
10 148070287697
11 4699645934547
12 162723741209057
13 6103779096411363
14 246564971326084337
15 10671541841672056947
16 492664975795819140737
17 24166020791610523843203

List of values

[1, 3, 17, 147, 1697, 24483, 423857, 8560947, 197613377, 5131725123, 148070287697, 4699645934547, 162723741209057, 6103779096411363, 246564971326084337, 10671541841672056947, 492664975795819140737, 24166020791610523843203]