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.

A181398 Summed lengths of nonintersecting rook paths on an n X n board.

Table of values

n a(n)
1 0
2 4
3 64
4 1912
5 148432
6 32871240
7 20744801272
8 37559607987584
9 198461813970383240
10 3100218604533034920976
11 144170284249598867501946128
12 20038589080922552365824887715432
13 8349298401437323416105571304163524760
14 10453318954664242363219930783045003561923656

List of values

[0, 4, 64, 1912, 148432, 32871240, 20744801272, 37559607987584, 198461813970383240, 3100218604533034920976, 144170284249598867501946128, 20038589080922552365824887715432, 8349298401437323416105571304163524760, 10453318954664242363219930783045003561923656]