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.

A127090 Central terms of triangle A127082; a(n) = A127082(2*n,n).

Table of values

n a(n)
0 1
1 2
2 15
3 192
4 3635
5 92730
6 2998366
7 117857600
8 5465922021
9 292505725990
10 17755023166100
11 1205937035790936
12 90649549598544937
13 7473077539914412930
14 670529221966656416145
15 65059053545271098896848

List of values

[1, 2, 15, 192, 3635, 92730, 2998366, 117857600, 5465922021, 292505725990, 17755023166100, 1205937035790936, 90649549598544937, 7473077539914412930, 670529221966656416145, 65059053545271098896848]

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

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