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.

A128087 Sum of squared coefficients of q in the q-analog of the even double factorials.

Table of values

n a(n)
0 1
1 2
2 14
3 296
4 12938
5 956720
6 107245250
7 16966970200
8 3601980861720
9 988252809411908
10 340375635448973106
11 143798619953044471444
12 73123320014581106403732
13 44060303354020797873285800

List of values

[1, 2, 14, 296, 12938, 956720, 107245250, 16966970200, 3601980861720, 988252809411908, 340375635448973106, 143798619953044471444, 73123320014581106403732, 44060303354020797873285800]