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) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 19 |
4 | 121 |
5 | 921 |
6 | 8491 |
7 | 89083 |
8 | 1004529 |
9 | 12855601 |
10 | 180798931 |
11 | 2688972771 |
12 | 43446800233 |
13 | 753263746249 |
14 | 13821916933371 |
15 | 268513532534731 |
16 | 5515341294313441 |
17 | 119063602254649953 |
18 | 2692597826408668579 |
19 | 63786073308011409331 |
20 | 1576811081112158751321 |