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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.

A240950 Numbers k such that the continued fraction for sqrt(k) has odd period, omitting those values of k of the form m^2+1.

Table of values

n a(n)
1 13
2 29
3 41
4 53
5 58
6 61
7 73
8 74
9 85
10 89
11 97
12 106
13 109
14 113
15 125
16 130
17 137
18 149
19 157
20 173
21 181
22 185
23 193
24 202
25 218
26 229
27 233
28 241
29 250
30 265
31 269
32 274
33 277
34 281
35 293
36 298
37 313
38 314
39 317
40 337
41 338
42 346
43 349
44 353
45 365
46 370
47 373
48 389
49 394
50 397
51 409
52 421
53 425
54 433

List of values

[13, 29, 41, 53, 58, 61, 73, 74, 85, 89, 97, 106, 109, 113, 125, 130, 137, 149, 157, 173, 181, 185, 193, 202, 218, 229, 233, 241, 250, 265, 269, 274, 277, 281, 293, 298, 313, 314, 317, 337, 338, 346, 349, 353, 365, 370, 373, 389, 394, 397, 409, 421, 425, 433]

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

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