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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.

A366697 G.f. satisfies A(x) = (1 + x)^3 + x*A(x)^3.

Table of values

n a(n)
0 1
1 4
2 15
3 94
4 706
5 5769
6 49923
7 449376
8 4164228
9 39459852
10 380594767
11 3724049805
12 36876008673
13 368835076813
14 3720863181033
15 37815675159285
16 386818379566749
17 3979362306753315
18 41144521893563511
19 427335033811660713
20 4456402044181677264

List of values

[1, 4, 15, 94, 706, 5769, 49923, 449376, 4164228, 39459852, 380594767, 3724049805, 36876008673, 368835076813, 3720863181033, 37815675159285, 386818379566749, 3979362306753315, 41144521893563511, 427335033811660713, 4456402044181677264]

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

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