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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.

A195615 Numerators b(n) of Pythagorean approximations b(n)/a(n) to 2.

Table of values

n a(n)
1 15
2 273
3 4895
4 87841
5 1576239
6 28284465
7 507544127
8 9107509825
9 163427632719
10 2932589879121
11 52623190191455
12 944284833567073
13 16944503814015855
14 304056783818718321
15 5456077604922913919
16 97905340104793732225
17 1756840044281364266127
18 31525215456959763058065

List of values

[15, 273, 4895, 87841, 1576239, 28284465, 507544127, 9107509825, 163427632719, 2932589879121, 52623190191455, 944284833567073, 16944503814015855, 304056783818718321, 5456077604922913919, 97905340104793732225, 1756840044281364266127, 31525215456959763058065]

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

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