cp's OEIS Frontend

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.

A058479 Total number of interior nodes in all essentially parallel series-parallel networks with n labeled edges, multiple edges allowed.

Table of values

n a(n)
0 0
1 0
2 0
3 3
4 32
5 410
6 6164
7 107492
8 2140368
9 47990784
10 1197523456
11 32930028736
12 989647215424
13 32276598717376
14 1135501305508608
15 42865272243657216
16 1728443263014370304
17 74145986811618564608
18 3371731055491925101568

List of values

[0, 0, 0, 3, 32, 410, 6164, 107492, 2140368, 47990784, 1197523456, 32930028736, 989647215424, 32276598717376, 1135501305508608, 42865272243657216, 1728443263014370304, 74145986811618564608, 3371731055491925101568]

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

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