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 | 1 |
4 | 4 |
5 | -7 |
6 | 3 |
7 | -25 |
8 | 63 |
9 | -52 |
10 | 14 |
11 | 200 |
12 | -661 |
13 | 808 |
14 | -432 |
15 | 85 |
16 | -1890 |
17 | 7754 |
18 | -12586 |
19 | 10090 |
20 | -3989 |
21 | 621 |
22 | 20248 |
23 | -99450 |
24 | 201726 |
25 | -216125 |
26 | 128869 |
27 | -40504 |
28 | 5236 |
29 | -240069 |
30 | 1375831 |
31 | -3354625 |
32 | 4508559 |
33 | -3604985 |
34 | 1713731 |
35 | -448122 |
36 | 49680 |
37 | 3102000 |
38 | -20349633 |
39 | 58049510 |
40 | -94012374 |
41 | 94504280 |
42 | -60352776 |
43 | 23900178 |
44 | -5362906 |
45 | 521721 |
46 | -43226590 |
47 | 319817454 |
48 | -1046234664 |
49 | 1985688420 |
50 | -2408884136 |
51 | 1936407600 |
52 | -1031098592 |
53 | 350561508 |
54 | -69025155 |
55 | 5994155 |