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.

A212296 a(n) = numerator(1 + Sum_{k=1..n} n^2 / Product_{j=1..k} 4*j^2).

Table of values

n a(n)
1 5
2 33
3 869
4 48449
5 1504375
6 124787549
7 119224713221
8 10003972882859
9 9610660732622149
10 3811875515172994001
11 40741092389313992153
12 1050927826884051298685761
13 707754011714996709527574437
14 184405400463251288725766546203
15 496687160874729261988243149308101

List of values

[5, 33, 869, 48449, 1504375, 124787549, 119224713221, 10003972882859, 9610660732622149, 3811875515172994001, 40741092389313992153, 1050927826884051298685761, 707754011714996709527574437, 184405400463251288725766546203, 496687160874729261988243149308101]