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.

A138560 Number of "squashed-tree" graphs with n central nodes, the labeled case, not allowing the direct link between L and R.

Table of values

n a(n)
0 0
1 1
2 14
3 265
4 6830
5 230511
6 9813824
7 510662531
8 31637636492
9 2283908878873
10 188734671539720
11 17594292380775969
12 1828013405513246504
13 209549687662076216495
14 26278678714657914834056
15 3579272018433287670435859
16 526228717479514441247416016
17 83065444843454983344683712849

List of values

[0, 1, 14, 265, 6830, 230511, 9813824, 510662531, 31637636492, 2283908878873, 188734671539720, 17594292380775969, 1828013405513246504, 209549687662076216495, 26278678714657914834056, 3579272018433287670435859, 526228717479514441247416016, 83065444843454983344683712849]

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

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