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 | 2 |
| 3 | 5 |
| 4 | 10 |
| 5 | 11 |
| 6 | 22 |
| 7 | 55 |
| 8 | 110 |
| 9 | 121 |
| 10 | 242 |
| 11 | 605 |
| 12 | 1210 |
| 13 | 1331 |
| 14 | 2662 |
| 15 | 6655 |
| 16 | 13310 |
| 17 | 14641 |
| 18 | 29282 |
| 19 | 73205 |
| 20 | 146410 |
| 21 | 161051 |
| 22 | 322102 |
| 23 | 805255 |
| 24 | 1610510 |
| 25 | 1771561 |
| 26 | 3543122 |
| 27 | 8857805 |
| 28 | 17715610 |
| 29 | 19487171 |
| 30 | 38974342 |
| 31 | 97435855 |
| 32 | 194871710 |
| 33 | 214358881 |
| 34 | 428717762 |
| 35 | 1071794405 |
| 36 | 2143588810 |