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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.

A350545 a(n) is the least k such that the continued fraction for sqrt(k) has period prime(n).

Table of values

n a(n)
1 3
2 41
3 13
4 58
5 61
6 193
7 157
8 337
9 586
10 821
11 601
12 421
13 1117
14 1153
15 1069
16 1669
17 2137
18 2053
19 1381
20 3733
21 3541
22 1621
23 4657
24 2389
25 4561
26 6577
27 3061
28 4261
29 5209
30 6121
31 6781
32 8317
33 7621
34 6661
35 6301
36 7561
37 7549
38 15817
39 9241
40 9349
41 12853
42 8269
43 11701
44 16729
45 14449
46 23017
47 31573

List of values

[3, 41, 13, 58, 61, 193, 157, 337, 586, 821, 601, 421, 1117, 1153, 1069, 1669, 2137, 2053, 1381, 3733, 3541, 1621, 4657, 2389, 4561, 6577, 3061, 4261, 5209, 6121, 6781, 8317, 7621, 6661, 6301, 7561, 7549, 15817, 9241, 9349, 12853, 8269, 11701, 16729, 14449, 23017, 31573]

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

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