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.

A158432 Number of permutations of 1..n containing the relative rank sequence { 45312 } at any spacing.

Table of values

n a(n)
5 1
6 26
7 458
8 6996
9 101072
10 1438112
11 20598112
12 300892896
13 4521034917
14 70286670034
15 1135485759114
16 19121776482564
17 336412530327804
18 6191800556586104
19 119301546930406184
20 2406376964044265344
21 50786085223779295344
22 1120447461653440780128
23 25810064637612342838624

List of values

[1, 26, 458, 6996, 101072, 1438112, 20598112, 300892896, 4521034917, 70286670034, 1135485759114, 19121776482564, 336412530327804, 6191800556586104, 119301546930406184, 2406376964044265344, 50786085223779295344, 1120447461653440780128, 25810064637612342838624]