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.

A135394 Number of walks of length 2n+2 from origin to (1,1,0) on a cubic lattice.

Table of values

n a(n)
0 2
1 48
2 1200
3 31920
4 890820
5 25768512
6 766053288
7 23265871200
8 718834982580
9 22523567008800
10 714044153702880
11 22861678250567520
12 738191825153055000
13 24011251877148076800
14 786038700362427057600
15 25877760367136497398720

List of values

[2, 48, 1200, 31920, 890820, 25768512, 766053288, 23265871200, 718834982580, 22523567008800, 714044153702880, 22861678250567520, 738191825153055000, 24011251877148076800, 786038700362427057600, 25877760367136497398720]