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.

A338408 E.g.f. A(x) satisfies: [x^n] (1 + n*x - A(x))^(2*n) = 0, for n > 0.

Table of values

n a(n)
1 1
2 3
3 70
4 4515
5 567576
6 116389295
7 35111089728
8 14574226069095
9 7944376570503040
10 5494208894263886139
11 4694820247236686649600
12 4853712224007783889422923
13 5968210130160831707746406400
14 8605241830169634366425696447655
15 14375558607944255605507888571539456

List of values

[1, 3, 70, 4515, 567576, 116389295, 35111089728, 14574226069095, 7944376570503040, 5494208894263886139, 4694820247236686649600, 4853712224007783889422923, 5968210130160831707746406400, 8605241830169634366425696447655, 14375558607944255605507888571539456]