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.

A063016 a(n) is the product of Catalan(n) and (2^(n+1) - 1).

Table of values

n a(n)
0 1
1 3
2 14
3 75
4 434
5 2646
6 16764
7 109395
8 730730
9 4973826
10 34381412
11 240728670
12 1703826292
13 12170930700
14 87633375480
15 635351667075
16 4634365164570
17 33985474184970
18 250419761106900
19 1853107999454250
20 13765951702923420
21 102618937160787060
22 767411273728449480

List of values

[1, 3, 14, 75, 434, 2646, 16764, 109395, 730730, 4973826, 34381412, 240728670, 1703826292, 12170930700, 87633375480, 635351667075, 4634365164570, 33985474184970, 250419761106900, 1853107999454250, 13765951702923420, 102618937160787060, 767411273728449480]