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 | -1 |
6 | 8 |
7 | -1 |
8 | 16 |
9 | 27 |
10 | 25 |
11 | -1 |
12 | 64 |
13 | 108 |
14 | 49 |
15 | 125 |
16 | 200 |
17 | 432 |
18 | 196 |
19 | 500 |
20 | 392 |
21 | 343 |
22 | 121 |
23 | 1323 |
24 | 1225 |
25 | 1372 |
26 | 169 |
27 | 2744 |
28 | 968 |
29 | 5488 |
30 | 676 |
31 | 3267 |
32 | 1352 |
33 | 1331 |
34 | 289 |
35 | 4563 |
36 | 4225 |
37 | 5324 |
38 | 361 |
39 | 2197 |
40 | 2312 |
41 | 21125 |
42 | 1444 |
43 | 7803 |
44 | 2888 |
45 | 17576 |
46 | 529 |
47 | 9747 |
48 | 9025 |
49 | 36125 |
50 | 2116 |
51 | 4913 |