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.

A159108 Number of permutations of 1..n containing the relative rank sequence { 136542 } at any spacing.

Table of values

n a(n)
6 1
7 37
8 893
9 18152
10 340805
11 6175518
12 110615379
13 1986526444
14 36092306837
15 667427556805

List of values

[1, 37, 893, 18152, 340805, 6175518, 110615379, 1986526444, 36092306837, 667427556805]