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.

A159087 Number of permutations of 1..n containing the relative rank sequence { 126435 } at any spacing.

Table of values

n a(n)
6 1
7 37
8 893
9 18149
10 340635
11 6169711
12 110458898
13 1982842808
14 36012586968
15 665794484782

List of values

[1, 37, 893, 18149, 340635, 6169711, 110458898, 1982842808, 36012586968, 665794484782]