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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.

A380710 G.f. A(x) satisfies A(x) = 1 + x*A(x)*abs( 1/A(x)^2 ).

Table of values

n a(n)
0 1
1 1
2 3
3 8
4 19
5 52
6 130
7 350
8 887
9 2386
10 6178
11 16318
12 42618
13 112632
14 295072
15 777628
16 2039543
17 5379446
18 14139050
19 37212510
20 97869194
21 257724328
22 677880176
23 1784741604
24 4694887026
25 12362045980
26 32529481476
27 85628088892
28 225332403940
29 593217232816
30 1561270271280
31 4109624293656
32 10816272052191

List of values

[1, 1, 3, 8, 19, 52, 130, 350, 887, 2386, 6178, 16318, 42618, 112632, 295072, 777628, 2039543, 5379446, 14139050, 37212510, 97869194, 257724328, 677880176, 1784741604, 4694887026, 12362045980, 32529481476, 85628088892, 225332403940, 593217232816, 1561270271280, 4109624293656, 10816272052191]

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

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