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 | 19 |
| 2 | 361 |
| 3 | 702 |
| 4 | 2132 |
| 5 | 5704 |
| 6 | 11994 |
| 7 | 25076 |
| 8 | 52632 |
| 9 | 109811 |
| 10 | 215506 |
| 11 | 431270 |
| 12 | 856818 |
| 13 | 1671738 |
| 14 | 3290063 |
| 15 | 6359426 |
| 16 | 12365486 |
| 17 | 23939738 |
| 18 | 45966515 |
| 19 | 88735852 |
| 20 | 170028536 |
| 21 | 325975917 |
| 22 | 624553353 |
| 23 | 1192281784 |
| 24 | 2279867642 |
| 25 | 4348061061 |
| 26 | 8290055552 |