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.

A212860 Number of 7 X n arrays with rows being permutations of 0..n-1 and no column j greater than column j-1 in all rows.

Table of values

n a(n)
0 1
1 1
2 127
3 275563
4 4479288703
5 347190069843751
6 96426023622482278621
7 78785944892341703819175577
8 163925632052722656731213188429183
9 777880066963402408939826643081996101263
10 7717574897043522397037273525233635595811018377

List of values

[1, 1, 127, 275563, 4479288703, 347190069843751, 96426023622482278621, 78785944892341703819175577, 163925632052722656731213188429183, 777880066963402408939826643081996101263, 7717574897043522397037273525233635595811018377]

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

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