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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.

A340437 Number of sets in the geometry determined by the Hausdorff metric at each location between two sets defined by a complete bipartite graph K(4,n) (with n at least 4) missing three edges, where exactly two of the removed edges are incident to the same vertex in the 4-point set but none of the removed edges are incident to the same vertex in the other set.

Table of values

n a(n)
4 3451
5 64705
6 1068475
7 16734721
8 256041211
9 3875962945
10 58387463995
11 877549918081
12 13175419936891
13 197716513589185
14 2966344254717115
15 44499339824298241
16 667519329831422971
17 10012994576066466625
18 150196351045142283835
19 2252955292518089539201
20 33794399575693844931451

List of values

[3451, 64705, 1068475, 16734721, 256041211, 3875962945, 58387463995, 877549918081, 13175419936891, 197716513589185, 2966344254717115, 44499339824298241, 667519329831422971, 10012994576066466625, 150196351045142283835, 2252955292518089539201, 33794399575693844931451]

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

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