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.

A171989 a(n) = A000010(A006862(n)).

Table of values

n a(n)
0 1
1 2
2 6
3 30
4 210
5 2310
6 29464
7 476928
8 9671392
9 222388792
10 6438663000
11 200560490130
12 7379606916000
13 299261862900000
14 13004421443456272
15 614231422273479360
16 31727029501157817600
17 1915248189055217892480
18 116762424492324428512272

List of values

[1, 2, 6, 30, 210, 2310, 29464, 476928, 9671392, 222388792, 6438663000, 200560490130, 7379606916000, 299261862900000, 13004421443456272, 614231422273479360, 31727029501157817600, 1915248189055217892480, 116762424492324428512272]