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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.

A110259 Numerators in the coefficients that form the even-indexed partial quotients of the continued fraction representation of the inverse tangent of 1/x.

Table of values

n a(n)
1 3
2 28
3 704
4 768
5 311296
6 1507328
7 3145728
8 130023424
9 7516192768
10 12884901888
11 2954937499648
12 12919261626368
13 52776558133248
14 774056185954304
15 66428094503714816
16 31525197391593472
17 308982963234634989568

List of values

[3, 28, 704, 768, 311296, 1507328, 3145728, 130023424, 7516192768, 12884901888, 2954937499648, 12919261626368, 52776558133248, 774056185954304, 66428094503714816, 31525197391593472, 308982963234634989568]

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

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