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.

A261000 Unordered even-degree bilabeled increasing trees on 2n+1 nodes.

Table of values

n a(n)
0 1
1 3
2 189
3 68607
4 82908441
5 251944606683
6 1618221395188629
7 19514714407120367127
8 405452689572115086887601
9 13596354857453497541480646963
10 699110237190377161907394095173869
11 52888313306236766686682435536884784047

List of values

[1, 3, 189, 68607, 82908441, 251944606683, 1618221395188629, 19514714407120367127, 405452689572115086887601, 13596354857453497541480646963, 699110237190377161907394095173869, 52888313306236766686682435536884784047]

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

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