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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.

A316780 a(n) is the least positive integer k such that ceiling(sqrt(A046315(n)*k))^2 - A046315(n)*k is a square.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 3
6 1
7 3
8 1
9 3
10 1
11 3
12 1
13 5
14 1
15 3
16 7
17 1
18 7
19 3
20 9
21 3
22 3
23 1
24 9
25 9
26 3
27 11
28 1
29 5
30 5
31 13
32 3
33 1
34 15
35 15
36 5
37 1
38 17
39 3
40 5
41 1
42 17
43 7
44 3
45 17
46 1
47 7
48 19
49 1
50 21
51 3
52 5
53 7
54 23
55 5
56 1
57 25
58 9
59 1
60 5
61 25
62 9
63 27
64 3
65 27
66 1
67 29
68 5
69 11
70 29
71 3
72 11
73 1
74 11
75 5
76 3
77 33
78 1
79 35
80 13

List of values

[1, 1, 1, 1, 3, 1, 3, 1, 3, 1, 3, 1, 5, 1, 3, 7, 1, 7, 3, 9, 3, 3, 1, 9, 9, 3, 11, 1, 5, 5, 13, 3, 1, 15, 15, 5, 1, 17, 3, 5, 1, 17, 7, 3, 17, 1, 7, 19, 1, 21, 3, 5, 7, 23, 5, 1, 25, 9, 1, 5, 25, 9, 27, 3, 27, 1, 29, 5, 11, 29, 3, 11, 1, 11, 5, 3, 33, 1, 35, 13]