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.

A031617 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 29.

Table of values

n a(n)
1 5501
2 10453
3 17770
4 18037
5 26365
6 27017
7 36269
8 49066
9 63793
10 76537
11 81017
12 112754
13 114773
14 116129
15 132394
16 133121
17 134581
18 135314
19 136049
20 136786
21 138266
22 139009
23 139754
24 140501
25 154393
26 159133
27 180617
28 185741
29 187465
30 203461
31 204362

List of values

[5501, 10453, 17770, 18037, 26365, 27017, 36269, 49066, 63793, 76537, 81017, 112754, 114773, 116129, 132394, 133121, 134581, 135314, 136049, 136786, 138266, 139009, 139754, 140501, 154393, 159133, 180617, 185741, 187465, 203461, 204362]

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

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