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.

A361297 Number of n-dimensional cubic lattice walks with 2n steps from origin to origin and avoiding early returns to the origin.

Table of values

n a(n)
0 1
1 2
2 20
3 996
4 108136
5 19784060
6 5389230384
7 2031493901304
8 1009373201680848
9 638377781979995244
10 500510427096797296240
11 476433596774288713285352
12 541348750963243079098368768
13 723928411313545718524263072248
14 1125748074023593276830674831519936

List of values

[1, 2, 20, 996, 108136, 19784060, 5389230384, 2031493901304, 1009373201680848, 638377781979995244, 500510427096797296240, 476433596774288713285352, 541348750963243079098368768, 723928411313545718524263072248, 1125748074023593276830674831519936]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.