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.

A126157 Main diagonal and central terms of symmetric triangle A126155.

Table of values

n a(n)
0 1
1 5
2 55
3 1415
4 69025
5 5403005
6 616437655
7 96365988815
8 19756766836225
9 5140259013390005
10 1654190282113104055
11 645005323804145184215
12 299613583126435893179425
13 163464903833408195554809005

List of values

[1, 5, 55, 1415, 69025, 5403005, 616437655, 96365988815, 19756766836225, 5140259013390005, 1654190282113104055, 645005323804145184215, 299613583126435893179425, 163464903833408195554809005]

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

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