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.

A159103 Number of permutations of 1..n containing the relative rank sequence { 136245 } at any spacing.

Table of values

n a(n)
6 1
7 37
8 895
9 18247
10 343572
11 6239984
12 111942670
13 2011895627
14 36555126641
15 675623987378

List of values

[1, 37, 895, 18247, 343572, 6239984, 111942670, 2011895627, 36555126641, 675623987378]