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.

A288869 Numerators of z-sequence for the Sheffer matrix T = P*Lah = A271703 = A007318*A271703 = (exp(t), t/(1-t)).

Table of values

n a(n)
0 1
1 -1
2 4
3 -21
4 136
5 -1045
6 9276
7 -93289
8 1047376
9 -12975561
10 175721140
11 -2581284541
12 40864292184
13 -693347907421
14 12548540320876
15 -241253367679185
16 4909234733857696
17 -105394372192969489
18 2380337795595885156

List of values

[1, -1, 4, -21, 136, -1045, 9276, -93289, 1047376, -12975561, 175721140, -2581284541, 40864292184, -693347907421, 12548540320876, -241253367679185, 4909234733857696, -105394372192969489, 2380337795595885156]