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.

A226358 Number of labeled relations on {1,2,...,n} such that 1 and 2 are in the same component.

Table of values

n a(n)
0 0
1 0
2 12
3 456
4 63264
5 33261504
6 68578235904
7 562670659193856
8 18444482155274686464
9 2417777758564741377613824
10 1267640925339738611935051382784
11 2658450920454274160572632643718086656
12 22300734564407398196216147429929635837640704

List of values

[0, 0, 12, 456, 63264, 33261504, 68578235904, 562670659193856, 18444482155274686464, 2417777758564741377613824, 1267640925339738611935051382784, 2658450920454274160572632643718086656, 22300734564407398196216147429929635837640704]

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

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