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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.

A211207 G.f. satisfies: A(x) = Sum_{n>=0} n^n * x^n / (A(x) + n*x)^n.

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 19
5 104
6 717
7 5802
8 53337
9 546227
10 6148507
11 75331145
12 997148390
13 14176316764
14 215415605318
15 3484286692680
16 59775418733049
17 1084259223927576
18 20735691656139651
19 417032279964273318
20 8799878770181560605
21 194408503996438497630
22 4487825374588467361095

List of values

[1, 1, 2, 5, 19, 104, 717, 5802, 53337, 546227, 6148507, 75331145, 997148390, 14176316764, 215415605318, 3484286692680, 59775418733049, 1084259223927576, 20735691656139651, 417032279964273318, 8799878770181560605, 194408503996438497630, 4487825374588467361095]

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

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