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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.

A190352 The continued fraction expansion of tanh(Pi) requires the computation of the pairs (p_n, q_n); sequence gives values of q_n.

Table of values

n a(n)
0 1
1 1
2 268
3 1073
4 15290
5 16363
6 48016
7 64379
8 176774
9 417927
10 594701
11 1607329
12 5416688
13 44940833
14 140239187
15 185180020
16 1066139287
17 4449737168
18 5515876455
19 81672007538
20 822235951835
21 903907959373
22 18900395139295
23 719118923252583
24 738019318391878

List of values

[1, 1, 268, 1073, 15290, 16363, 48016, 64379, 176774, 417927, 594701, 1607329, 5416688, 44940833, 140239187, 185180020, 1066139287, 4449737168, 5515876455, 81672007538, 822235951835, 903907959373, 18900395139295, 719118923252583, 738019318391878]

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

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