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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.

A224788 E.g.f. satisfies: A(x) = exp( Integral A(x)/(1 - x*A(x)^2) dx ).

Table of values

n a(n)
0 1
1 1
2 3
3 18
4 168
5 2142
6 34704
7 682740
8 15810372
9 421339176
10 12702393792
11 427435993512
12 15881634963216
13 645804320863680
14 28527455317884336
15 1360332028008819360
16 69645942884911181184
17 3810436222004101378656
18 221867131720533800409216
19 13698420738298341356760768

List of values

[1, 1, 3, 18, 168, 2142, 34704, 682740, 15810372, 421339176, 12702393792, 427435993512, 15881634963216, 645804320863680, 28527455317884336, 1360332028008819360, 69645942884911181184, 3810436222004101378656, 221867131720533800409216, 13698420738298341356760768]

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

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