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.

A326276 G.f.: Sum_{n>=0} (1 + (1+x)^(n+1))^n * x^n.

Table of values

n a(n)
0 1
1 2
2 6
3 21
4 85
5 382
6 1879
7 9986
8 56818
9 343640
10 2196596
11 14770122
12 104063085
13 765661874
14 5866191429
15 46683934520
16 385048724001
17 3285146877603
18 28942067342876
19 262882422213165
20 2458316711782337
21 23637510378534754
22 233423898596027454
23 2364847720082290621
24 24555411743247510317
25 261085211212909391915

List of values

[1, 2, 6, 21, 85, 382, 1879, 9986, 56818, 343640, 2196596, 14770122, 104063085, 765661874, 5866191429, 46683934520, 385048724001, 3285146877603, 28942067342876, 262882422213165, 2458316711782337, 23637510378534754, 233423898596027454, 2364847720082290621, 24555411743247510317, 261085211212909391915]