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.

A118025 Column 0 of triangle A118024; also, column 0 of the matrix square of A118024 equals this sequence shifted 1 place left.

Table of values

n a(n)
0 1
1 1
2 2
3 6
4 28
5 216
6 2864
7 66656
8 2760896
9 205824384
10 27886535424
11 6924055315968
12 3173107641551872
13 2700294145104025600
14 4289542333320782426112
15 12777557344991526923034624
16 71652489091220599890081005568

List of values

[1, 1, 2, 6, 28, 216, 2864, 66656, 2760896, 205824384, 27886535424, 6924055315968, 3173107641551872, 2700294145104025600, 4289542333320782426112, 12777557344991526923034624, 71652489091220599890081005568]

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

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