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.

A246606 Central terms of the triangle A116853.

Table of values

n a(n)
1 1
2 4
3 78
4 3216
5 229080
6 25022880
7 3884393520
8 812752093440
9 220448163358080
10 75225258805132800
11 31537353006189676800
12 15933924342019634227200
13 9548252826112300306406400
14 6695627848564821490753228800
15 5431772705577464891946292992000
16 5047432593984519350928894369792000

List of values

[1, 4, 78, 3216, 229080, 25022880, 3884393520, 812752093440, 220448163358080, 75225258805132800, 31537353006189676800, 15933924342019634227200, 9548252826112300306406400, 6695627848564821490753228800, 5431772705577464891946292992000, 5047432593984519350928894369792000]

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

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