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.

A240686 Number of forests with n labeled nodes and 9 trees.

Table of values

n a(n)
9 1
10 45
11 1485
12 45540
13 1402830
14 44837793
15 1508782275
16 53789959080
17 2036262886515
18 81857181636945
19 3490649483399793
20 157637380245930000
21 7524305274666328785
22 378816067488484478160
23 20074256751067210380645
24 1117410784286881766178816
25 65207052558569641113281250

List of values

[1, 45, 1485, 45540, 1402830, 44837793, 1508782275, 53789959080, 2036262886515, 81857181636945, 3490649483399793, 157637380245930000, 7524305274666328785, 378816067488484478160, 20074256751067210380645, 1117410784286881766178816, 65207052558569641113281250]

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

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