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.

A123311 Central terms of triangle A123305.

Table of values

n a(n)
0 1
1 2
2 18
3 336
4 10050
5 423576
6 23317042
7 1595336448
8 131036683554
9 12595263510000
10 1389395816978554
11 173214827643727872
12 24105386508556401906
13 3706800170875348334480
14 624528505602985043491650

List of values

[1, 2, 18, 336, 10050, 423576, 23317042, 1595336448, 131036683554, 12595263510000, 1389395816978554, 173214827643727872, 24105386508556401906, 3706800170875348334480, 624528505602985043491650]