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.

A371138 E.g.f. satisfies A(x) = 1 - x^2*A(x)^2*log(1 - x*A(x)).

Table of values

n a(n)
0 1
1 0
2 0
3 6
4 12
5 40
6 2340
7 18648
8 154560
9 5767200
10 95911200
11 1438778880
12 48014778240
13 1228487644800
14 27997623029376
15 972327510000000
16 32550437645107200
17 1006902423902269440
18 38894136241736494080
19 1569697954634035537920
20 61093442927846310912000

List of values

[1, 0, 0, 6, 12, 40, 2340, 18648, 154560, 5767200, 95911200, 1438778880, 48014778240, 1228487644800, 27997623029376, 972327510000000, 32550437645107200, 1006902423902269440, 38894136241736494080, 1569697954634035537920, 61093442927846310912000]