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.

A271926 Denominator of (Product_{j=0..n-1} (((2*j+1)*(3*j+4))/((j+1)*(6*j+1))) - 1).

Table of values

n a(n)
1 1
2 1
3 13
4 19
5 95
6 155
7 5735
8 49321
9 345247
10 11137
11 97051
12 175741
13 12829093
14 164988103
15 164988103
16 306406477
17 2286263713
18 235485162439
19 25667882705851
20 420784962391
21 420784962391
22 8773680484481
23 166699929205139
24 317414933691977
25 16706049141683
26 31931815448027
27 5013295025340239

List of values

[1, 1, 13, 19, 95, 155, 5735, 49321, 345247, 11137, 97051, 175741, 12829093, 164988103, 164988103, 306406477, 2286263713, 235485162439, 25667882705851, 420784962391, 420784962391, 8773680484481, 166699929205139, 317414933691977, 16706049141683, 31931815448027, 5013295025340239]