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.

A055621 Number of covers of an unlabeled n-set.

Table of values

n a(n)
0 1
1 1
2 4
3 34
4 1952
5 18664632
6 12813206150470528
7 33758171486592987151274638874693632
8 1435913805026242504952006868879460423801146743462225386100617731367239680

List of values

[1, 1, 4, 34, 1952, 18664632, 12813206150470528, 33758171486592987151274638874693632, 1435913805026242504952006868879460423801146743462225386100617731367239680]

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

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