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.

A245067 Number of three-dimensional random walks with 2n steps in the wedge region x >= y >= z, beginning and ending at the origin without crossing the wedge boundary.

Table of values

n a(n)
0 1
1 2
2 12
3 120
4 1610
5 25956
6 474012
7 9475752
8 202921290
9 4587734580
10 108376022040
11 2654745191280
12 67043341981980
13 1737717447946200
14 46062204663294000
15 1245096242017227360
16 34239776369652506970
17 956050033694583839220

List of values

[1, 2, 12, 120, 1610, 25956, 474012, 9475752, 202921290, 4587734580, 108376022040, 2654745191280, 67043341981980, 1737717447946200, 46062204663294000, 1245096242017227360, 34239776369652506970, 956050033694583839220]

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

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