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.

A004733 Denominator of n!!/(n+3)!!.

Table of values

n a(n)
0 3
1 8
2 15
3 16
4 105
5 128
6 315
7 256
8 3465
9 1024
10 9009
11 2048
12 45045
13 32768
14 109395
15 65536
16 2078505
17 262144
18 4849845
19 524288
20 22309287
21 4194304
22 50702925
23 8388608
24 456326325
25 33554432
26 1017958725
27 67108864

List of values

[3, 8, 15, 16, 105, 128, 315, 256, 3465, 1024, 9009, 2048, 45045, 32768, 109395, 65536, 2078505, 262144, 4849845, 524288, 22309287, 4194304, 50702925, 8388608, 456326325, 33554432, 1017958725, 67108864]