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.

A243440 O.g.f.: exp( Integral Sum_{n>=1} n! * n^(n-1) * x^(n-1) / Product_{k=1..n} (1 - k*x) dx ).

Table of values

n a(n)
0 1
1 1
2 3
3 25
4 499
5 18897
6 1158175
7 104287909
8 12948389505
9 2119204222647
10 442024984454145
11 114447363118335099
12 36014003359662761889
13 13536516384259740525435
14 5989775500211255393302197
15 3082008257212085146469317911
16 1824650971940959528920159955650
17 1231558332755627626667173051846452

List of values

[1, 1, 3, 25, 499, 18897, 1158175, 104287909, 12948389505, 2119204222647, 442024984454145, 114447363118335099, 36014003359662761889, 13536516384259740525435, 5989775500211255393302197, 3082008257212085146469317911, 1824650971940959528920159955650, 1231558332755627626667173051846452]