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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.

A341601 One of the two successive approximations up to 2^n for 2-adic integer sqrt(-3/5). This is the 3 (mod 4) case.

Table of values

n a(n)
2 3
3 3
4 11
5 27
6 59
7 59
8 59
9 59
10 571
11 571
12 571
13 4667
14 12859
15 29243
16 62011
17 127547
18 127547
19 127547
20 651835
21 651835
22 2748987
23 6943291
24 6943291
25 6943291
26 6943291
27 6943291
28 6943291
29 6943291
30 6943291
31 6943291
32 2154426939
33 6449394235
34 6449394235
35 6449394235

List of values

[3, 3, 11, 27, 59, 59, 59, 59, 571, 571, 571, 4667, 12859, 29243, 62011, 127547, 127547, 127547, 651835, 651835, 2748987, 6943291, 6943291, 6943291, 6943291, 6943291, 6943291, 6943291, 6943291, 6943291, 2154426939, 6449394235, 6449394235, 6449394235]

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

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