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.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 5 |
4 | -3 |
5 | 15 |
6 | 25 |
7 | 21 |
8 | -45 |
9 | 150 |
10 | 125 |
11 | -231 |
12 | 375 |
13 | -375 |
14 | 1250 |
15 | 625 |
16 | 693 |
17 | -981 |
18 | 750 |
19 | -375 |
20 | 1875 |
21 | 625 |
22 | -13167 |
23 | 17199 |
24 | -11655 |
25 | 5250 |
26 | 13125 |
27 | 3125 |
28 | 302841 |
29 | -375417 |
30 | 237510 |
31 | -100275 |
32 | 26250 |
33 | 26250 |
34 | 87500 |
35 | 15625 |
36 | 8176707 |
37 | -9773379 |
38 | 5914755 |
39 | -2390850 |
40 | 685125 |
41 | -78750 |