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.

A347858 a(n) = (9*n)!/((3*n)!*(2*n)!) * (n/2)!/(9*n/2)!.

Table of values

n a(n)
0 1
1 512
2 1021020
3 2399141888
4 6016814703900
5 15626259253952512
6 41477110789150966020
7 111745115394167694950400
8 304331361887290342345862940
9 835666006020766806513664655360
10 2309513382640863232775760738593520
11 6416034331756986890806503962421755904

List of values

[1, 512, 1021020, 2399141888, 6016814703900, 15626259253952512, 41477110789150966020, 111745115394167694950400, 304331361887290342345862940, 835666006020766806513664655360, 2309513382640863232775760738593520, 6416034331756986890806503962421755904]