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.

A256799 Catalan number analogs for A099927, the generalized binomial coefficients for Pell numbers (A000129).

Table of values

n a(n)
0 1
1 1
2 6
3 203
4 40222
5 46410442
6 312163223724
7 12237378320283699
8 2796071362211148193590
9 3723566980632561787914135870
10 28901575272390972687956930234335380
11 1307480498356321410289575304307661963042110
12 344746842780849469098742541704318199701366091840620

List of values

[1, 1, 6, 203, 40222, 46410442, 312163223724, 12237378320283699, 2796071362211148193590, 3723566980632561787914135870, 28901575272390972687956930234335380, 1307480498356321410289575304307661963042110, 344746842780849469098742541704318199701366091840620]