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.

A258489 Number of tangled chains of length k=6.

Table of values

n a(n)
1 1
2 1
3 122
4 474883
5 11168414844
6 989169269347359
7 250335000079534559375
8 151038989624520433840089358
9 191158216491241179675824199407135
10 461408865973380293005829125668717407727
11 1973397409908124305318632313047269426852165625
12 14104214451439837037643144221899175649593123932192274

List of values

[1, 1, 122, 474883, 11168414844, 989169269347359, 250335000079534559375, 151038989624520433840089358, 191158216491241179675824199407135, 461408865973380293005829125668717407727, 1973397409908124305318632313047269426852165625, 14104214451439837037643144221899175649593123932192274]