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.

A277180 E.g.f.: A(x) = ... x*exp(x^4) o x*exp(x^3) o x*exp(x^2) o x*exp(x), the composition of functions x*exp(x^n) for n = 1,2,3,...

Table of values

n a(n)
1 1
2 2
3 9
4 100
5 1205
6 18006
7 350077
8 8088536
9 211371561
10 6176234890
11 200898827921
12 7219180413732
13 284177412817597
14 12162803253287246
15 562046000617917285
16 27867599169654763696
17 1475047571057004959057
18 83000104748219010488850
19 4947512767013757600177049
20 311464596400042198210554620
21 20652342444419128752639269541
22 1438800618216725748602640496342

List of values

[1, 2, 9, 100, 1205, 18006, 350077, 8088536, 211371561, 6176234890, 200898827921, 7219180413732, 284177412817597, 12162803253287246, 562046000617917285, 27867599169654763696, 1475047571057004959057, 83000104748219010488850, 4947512767013757600177049, 311464596400042198210554620, 20652342444419128752639269541, 1438800618216725748602640496342]

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

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