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.

A319377 Number of series-reduced rooted trees with n leaves of exactly two colors.

Table of values

n a(n)
2 1
3 6
4 30
5 146
6 719
7 3590
8 18283
9 94648
10 497757
11 2652898
12 14307845
13 77958746
14 428588051
15 2374676854
16 13247984959
17 74357762790
18 419604029622
19 2379243477538
20 13549087798391
21 77458553063930
22 444383895880897
23 2557639072274418
24 14763596994726379
25 85449948037167684

List of values

[1, 6, 30, 146, 719, 3590, 18283, 94648, 497757, 2652898, 14307845, 77958746, 428588051, 2374676854, 13247984959, 74357762790, 419604029622, 2379243477538, 13549087798391, 77458553063930, 444383895880897, 2557639072274418, 14763596994726379, 85449948037167684]

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

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