cp's OEIS Frontend

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.

A031666 Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 78.

Table of values

n a(n)
1 13933
2 123985
3 124690
4 126106
5 185021
6 258233
7 260269
8 262313
9 347146
10 550925
11 553897
12 559865
13 679417
14 823178
15 953201
16 957109
17 959066
18 962986
19 964949
20 966914
21 972821
22 974794
23 1120093
24 1286797
25 1295885
26 1467482
27 1474757
28 1477186

List of values

[13933, 123985, 124690, 126106, 185021, 258233, 260269, 262313, 347146, 550925, 553897, 559865, 679417, 823178, 953201, 957109, 959066, 962986, 964949, 966914, 972821, 974794, 1120093, 1286797, 1295885, 1467482, 1474757, 1477186]

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

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