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.

A159142 Number of permutations of 1..n containing the relative rank sequence { 214635 } at any spacing.

Table of values

n a(n)
6 1
7 37
8 893
9 18147
10 340508
11 6164947
12 110320096
13 1979352513
14 35932666632
15 664075359756

List of values

[1, 37, 893, 18147, 340508, 6164947, 110320096, 1979352513, 35932666632, 664075359756]