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.

A380630 Number of matrices with n columns, any number of distinct rows and entries in 0..2 and without an all zero row up to permutations of rows and columns.

Table of values

n a(n)
0 1
1 4
2 144
3 11250688
4 50371911404609819639808
5 58894902159279477652776826941706227937004584169809397602591562463707136

List of values

[1, 4, 144, 11250688, 50371911404609819639808, 58894902159279477652776826941706227937004584169809397602591562463707136]

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

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