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.

A130226 Smallest integer x satisfying the Pell equation x^2-k*y^2=-1 for the values of k given in A031396.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 18
6 4
7 5
8 70
9 6
10 32
11 7
12 182
13 99
14 29718
15 8
16 1068
17 43
18 9
19 378
20 500
21 5604
22 10
23 4005
24 8890182
25 776
26 11
27 682
28 57
29 1744
30 12
31 113582
32 4832118
33 13
34 1118
35 1111225770
36 68
37 1764132
38 14
39 3141
40 251
41 15
42 1710
43 23156
44 71011068
45 4443
46 16
47 6072
48 82
49 1407

List of values

[0, 1, 2, 3, 18, 4, 5, 70, 6, 32, 7, 182, 99, 29718, 8, 1068, 43, 9, 378, 500, 5604, 10, 4005, 8890182, 776, 11, 682, 57, 1744, 12, 113582, 4832118, 13, 1118, 1111225770, 68, 1764132, 14, 3141, 251, 15, 1710, 23156, 71011068, 4443, 16, 6072, 82, 1407]

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

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