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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.

A216245 Sum of 1/a(n)^2 approaches sqrt(3) with partial sums staying below.

Table of values

n a(n)
1 1
2 2
3 2
4 3
5 3
6 11
7 26
8 109
9 1227
10 51420
11 8988362
12 32710914040
13 7771377209846338
14 490053183865066320353971
15 273597849253997654907692972401071423
16 337927017741012348216065570192997747462584982737948593

List of values

[1, 2, 2, 3, 3, 11, 26, 109, 1227, 51420, 8988362, 32710914040, 7771377209846338, 490053183865066320353971, 273597849253997654907692972401071423, 337927017741012348216065570192997747462584982737948593]

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

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