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.

A101481 Column 0 of triangular matrix T=A101479, in which row n equals row (n-1) of T^(n-1) followed by '1'.

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 19
5 191
6 2646
7 46737
8 1003150
9 25330125
10 735180292
11 24103027865
12 880627477269
13 35469795883964
14 1561107221731851
15 74528004538789830
16 3835467005270307663
17 211648845813188932595
18 12465477924609075602136

List of values

[1, 1, 1, 3, 19, 191, 2646, 46737, 1003150, 25330125, 735180292, 24103027865, 880627477269, 35469795883964, 1561107221731851, 74528004538789830, 3835467005270307663, 211648845813188932595, 12465477924609075602136]