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.

A190835 Number of permutations of 6 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 8142
4 351574834
5 47940557125969
6 16985819072511102549
7 13519747358522016160671387
8 21671513613423101256198918372909
9 64311863997340571475504065539218471107
10 330586922756304429697714946501284146322953006

List of values

[1, 0, 1, 8142, 351574834, 47940557125969, 16985819072511102549, 13519747358522016160671387, 21671513613423101256198918372909, 64311863997340571475504065539218471107, 330586922756304429697714946501284146322953006]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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