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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.

A348904 G.f. A(x) satisfies: A(x) = 1 / (1 - 3*x - x * A(2*x)).

Table of values

n a(n)
0 1
1 4
2 24
3 224
4 3264
5 76544
6 3055104
7 220125184
8 29946753024
9 7906463105024
10 4111398632914944
11 4242968041649209344
12 8723543411935886966784
13 35801422714130756942168064
14 293571666811153273905871847424
15 4812226763497124503879315624034304
16 157725544404988739801460227609821446144

List of values

[1, 4, 24, 224, 3264, 76544, 3055104, 220125184, 29946753024, 7906463105024, 4111398632914944, 4242968041649209344, 8723543411935886966784, 35801422714130756942168064, 293571666811153273905871847424, 4812226763497124503879315624034304, 157725544404988739801460227609821446144]

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

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