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.

A260709 Smallest nonsquare congruent to a square (mod k^2) for all k = 1..n.

Table of values

n a(n)
1 2
2 5
3 13
4 52
5 241
6 241
7 436
8 1009
9 1009
10 1009
11 2641
12 2641
13 8089
14 8089
15 8089
16 8089
17 18001
18 18001
19 53881
20 53881
21 53881
22 53881
23 87481
24 87481
25 87481
26 87481
27 87481
28 87481
29 117049
30 117049
31 515761
32 515761
33 515761
34 515761
35 515761
36 515761
37 1083289
38 1083289
39 1083289
40 1083289

List of values

[2, 5, 13, 52, 241, 241, 436, 1009, 1009, 1009, 2641, 2641, 8089, 8089, 8089, 8089, 18001, 18001, 53881, 53881, 53881, 53881, 87481, 87481, 87481, 87481, 87481, 87481, 117049, 117049, 515761, 515761, 515761, 515761, 515761, 515761, 1083289, 1083289, 1083289, 1083289]

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

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