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.

A338401 a(n) is the numerator of the resistance R(n) = a(n)/A338402(n) of a triangular network of 3*n*(n+1)/2 one Ohm resistors in a hexagonal lattice arrangement.

Table of values

n a(n)
1 2
2 10
3 10
4 206
5 3326
6 43118
7 150806
8 11591578
9 436494606
10 1008712015454
11 382034633808890
12 13187511533010430
13 2111825680430510462
14 171204772756285452656378
15 89579048665281690355286
16 1013412795315891086553473628734
17 20023655015717377508089133638478
18 24678955315461926144059519221489609194

List of values

[2, 10, 10, 206, 3326, 43118, 150806, 11591578, 436494606, 1008712015454, 382034633808890, 13187511533010430, 2111825680430510462, 171204772756285452656378, 89579048665281690355286, 1013412795315891086553473628734, 20023655015717377508089133638478, 24678955315461926144059519221489609194]