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.

A287317 Number of 5-dimensional cubic lattice walks that start and end at origin after 2n steps, free to pass through origin at intermediate stages.

Table of values

n a(n)
0 1
1 10
2 270
3 10900
4 551950
5 32232060
6 2070891900
7 142317232200
8 10277494548750
9 770878551371500
10 59577647564312020
11 4717432065143561400
12 381091087190569291900
13 31308955091335405435000
14 2609450031306515140215000
15 220199552765301571338488400

List of values

[1, 10, 270, 10900, 551950, 32232060, 2070891900, 142317232200, 10277494548750, 770878551371500, 59577647564312020, 4717432065143561400, 381091087190569291900, 31308955091335405435000, 2609450031306515140215000, 220199552765301571338488400]