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.

A190836 Number of permutations of 7 copies of 1..n introduced in order 1..n with no element equal to another within a distance of 1.

Table of values

n a(n)
0 1
1 0
2 1
3 56620
4 22875971289
5 36533294879349056
6 183095824753841610373405
7 2421032324142610480402567434373
8 74115215422015289392187745053216373265
9 4749303210651587675797285013227098386984170468
10 588242979144354234332728292738493758656488275002948671

List of values

[1, 0, 1, 56620, 22875971289, 36533294879349056, 183095824753841610373405, 2421032324142610480402567434373, 74115215422015289392187745053216373265, 4749303210651587675797285013227098386984170468, 588242979144354234332728292738493758656488275002948671]