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.

A001757 Expansion of an integral: central elements of rows of triangle in A059366.

Table of values

n a(n)
0 1
1 1
2 2
3 9
4 54
5 450
6 4500
7 55125
8 771750
9 12502350
10 225042300
11 4538353050
12 99843767100
13 2410513805700
14 62673358948200
15 1762688220418125
16 52880646612543750
17 1698056319002793750
18 57733914846094987500
19 2084194325944029048750

List of values

[1, 1, 2, 9, 54, 450, 4500, 55125, 771750, 12502350, 225042300, 4538353050, 99843767100, 2410513805700, 62673358948200, 1762688220418125, 52880646612543750, 1698056319002793750, 57733914846094987500, 2084194325944029048750]