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.

A287889 Number of rooted labeled 4-cactus graphs on 3n+1 nodes.

Table of values

n a(n)
0 1
1 12
2 4410
3 7560000
4 35626991400
5 357082280755200
6 6536573599765809600
7 197543239414923257856000
8 9172025443146972656250000000
9 619972004905097945232074342400000
10 58507834434071888178873434004530400000
11 7455351156359319047773396236777475276800000

List of values

[1, 12, 4410, 7560000, 35626991400, 357082280755200, 6536573599765809600, 197543239414923257856000, 9172025443146972656250000000, 619972004905097945232074342400000, 58507834434071888178873434004530400000, 7455351156359319047773396236777475276800000]

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

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