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.

A177310 Number of permutations of 8 copies of 1..n with all adjacent differences <= 1 in absolute value.

Table of values

n a(n)
0 1
1 1
2 12870
3 6077196
4 5650739930
5 3772321496064
6 2514046004253110
7 1570273521448103668
8 951645881858020642746
9 560523113474283819256640
10 323221203836407773725200718
11 183122229346363470922528553652
12 102256611847518844993947706000234

List of values

[1, 1, 12870, 6077196, 5650739930, 3772321496064, 2514046004253110, 1570273521448103668, 951645881858020642746, 560523113474283819256640, 323221203836407773725200718, 183122229346363470922528553652, 102256611847518844993947706000234]