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.

A001421 a(n) = (6*n)!/((n!)^3*(3*n)!).

Table of values

n a(n)
0 1
1 120
2 83160
3 81681600
4 93699005400
5 117386113965120
6 155667030019300800
7 214804163196079142400
8 305240072216678400087000
9 443655767845074392936328000
10 656486312795713480715743268160
11 985646873056680684690542988249600
12 1497786250388951255453847206769124800

List of values

[1, 120, 83160, 81681600, 93699005400, 117386113965120, 155667030019300800, 214804163196079142400, 305240072216678400087000, 443655767845074392936328000, 656486312795713480715743268160, 985646873056680684690542988249600, 1497786250388951255453847206769124800]