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.

A258487 Number of tangled chains of length k=4.

Table of values

n a(n)
1 1
2 1
3 14
4 2140
5 1017219
6 1110178602
7 2320017306125
8 8278981347401059
9 46556715158334549170
10 388779284837787599307987
11 4605471565794120802036550000
12 74633554055057890778698344509705
13 1606481673354648219373898238155693682
14 44821655543075499856527523557216582931002

List of values

[1, 1, 14, 2140, 1017219, 1110178602, 2320017306125, 8278981347401059, 46556715158334549170, 388779284837787599307987, 4605471565794120802036550000, 74633554055057890778698344509705, 1606481673354648219373898238155693682, 44821655543075499856527523557216582931002]