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.

A006634 a(n) = 3*binomial(4*n+8, n)/(n+3).

Table of values

n a(n)
0 1
1 9
2 72
3 570
4 4554
5 36855
6 302064
7 2504304
8 20974005
9 177232627
10 1509395976
11 12943656180
12 111676661460
13 968786892675
14 8445123522144
15 73940567860896
16 649942898236596
17 5733561315124260
18 50744886833898400
19 450461491952952690
20 4009721145437152530
21 35782256673785401065

List of values

[1, 9, 72, 570, 4554, 36855, 302064, 2504304, 20974005, 177232627, 1509395976, 12943656180, 111676661460, 968786892675, 8445123522144, 73940567860896, 649942898236596, 5733561315124260, 50744886833898400, 450461491952952690, 4009721145437152530, 35782256673785401065]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.