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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.

A195634 Denominators a(n) of Pythagorean approximations b(n)/a(n) to sqrt(3/4).

Table of values

n a(n)
1 4
2 55
3 1120
4 2997
5 35460
6 3140676
7 1921787
8 32412552
9 58579212
10 441025780
11 410535015
12 77779347592
13 654610870027
14 2025218645520
15 7961709199049
16 29306172663680
17 88433963478036
18 109778426942667
19 2900499582545112
20 4716082204442140

List of values

[4, 55, 1120, 2997, 35460, 3140676, 1921787, 32412552, 58579212, 441025780, 410535015, 77779347592, 654610870027, 2025218645520, 7961709199049, 29306172663680, 88433963478036, 109778426942667, 2900499582545112, 4716082204442140]

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

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