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.

A190837 Number of permutations of 8 copies of 1..n introduced in order 1..n with no element equal to another within a distance of 1.

Table of values

n a(n)
0 1
1 0
2 1
3 400598
4 1530622143864
5 28920026907938624194
6 2070756746775910218326948065
7 459408385876250801291447710561829082
8 271259741131895052775392614041761701799270286
9 379065045836307787068046364731543393514652159389593652

List of values

[1, 0, 1, 400598, 1530622143864, 28920026907938624194, 2070756746775910218326948065, 459408385876250801291447710561829082, 271259741131895052775392614041761701799270286, 379065045836307787068046364731543393514652159389593652]