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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.

A195499 Denominators a(n) of Pythagorean approximations b(n)/a(n) to sqrt(3).

Table of values

n a(n)
1 3
2 8
3 33
4 120
5 451
6 1680
7 6273
8 23408
9 87363
10 326040
11 1216801
12 4541160
13 16947843
14 63250208
15 236052993
16 880961760
17 3287794051
18 12270214440
19 45793063713
20 170902040408
21 637815097923
22 2380358351280
23 8883618307201
24 33154114877520

List of values

[3, 8, 33, 120, 451, 1680, 6273, 23408, 87363, 326040, 1216801, 4541160, 16947843, 63250208, 236052993, 880961760, 3287794051, 12270214440, 45793063713, 170902040408, 637815097923, 2380358351280, 8883618307201, 33154114877520]

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

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