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.

A309245 Least number k > 0 which is not a divisor of n such that k^2 + n is a nonsquare powerful number (A102834).

Table of values

n a(n)
1 682
2 5
3 37
4 11
5 1879706
6 463
7 11
8 10
9 2046
10 341881
11 31
12 74
13 70
14 5519
15 793
16 22
17 1952785824219551870
18 57
19 559
20 338
21 4580728614212333152148
22 503259461
23 45
24 926
25 190
26 109
27 36
28 62
29 436
30 832836278711
31 63
32 88
33 2451448196948930
34 7037029
35 36
36 33

List of values

[682, 5, 37, 11, 1879706, 463, 11, 10, 2046, 341881, 31, 74, 70, 5519, 793, 22, 1952785824219551870, 57, 559, 338, 4580728614212333152148, 503259461, 45, 926, 190, 109, 36, 62, 436, 832836278711, 63, 88, 2451448196948930, 7037029, 36, 33]