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.

A131638 Increasing binary trees having exactly two vertices with outdegree 1.

Table of values

n a(n)
1 1
2 11
3 180
4 4288
5 141584
6 6213288
7 350400832
8 24718075136
9 2133652515072
10 221311262045440
11 27166907582280704
12 3895974311462313984
13 645512064907811491840
14 122381396964887716078592
15 26325690425815766552887296
16 6377608610246241663568248832

List of values

[1, 11, 180, 4288, 141584, 6213288, 350400832, 24718075136, 2133652515072, 221311262045440, 27166907582280704, 3895974311462313984, 645512064907811491840, 122381396964887716078592, 26325690425815766552887296, 6377608610246241663568248832]

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

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