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.

A077426 Nonsquare integers n such that the continued fraction (sqrt(n)+1)/2 has odd period length.

Table of values

n a(n)
1 5
2 13
3 17
4 29
5 37
6 41
7 53
8 61
9 65
10 73
11 85
12 89
13 97
14 101
15 109
16 113
17 125
18 137
19 145
20 149
21 157
22 173
23 181
24 185
25 193
26 197
27 229
28 233
29 241
30 257
31 265
32 269
33 277
34 281
35 293
36 313
37 317
38 325
39 337
40 349
41 353
42 365
43 373
44 389
45 397
46 401
47 409
48 421
49 425
50 433
51 445
52 449
53 457
54 461
55 481
56 485

List of values

[5, 13, 17, 29, 37, 41, 53, 61, 65, 73, 85, 89, 97, 101, 109, 113, 125, 137, 145, 149, 157, 173, 181, 185, 193, 197, 229, 233, 241, 257, 265, 269, 277, 281, 293, 313, 317, 325, 337, 349, 353, 365, 373, 389, 397, 401, 409, 421, 425, 433, 445, 449, 457, 461, 481, 485]

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

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