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 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 10 |
| 6 | 20 |
| 7 | 35 |
| 8 | 69 |
| 9 | 124 |
| 10 | 241 |
| 11 | 440 |
| 12 | 846 |
| 13 | 1560 |
| 14 | 2977 |
| 15 | 5525 |
| 16 | 10490 |
| 17 | 19551 |
| 18 | 36994 |
| 19 | 69142 |
| 20 | 130532 |
| 21 | 244419 |
| 22 | 460737 |
| 23 | 863788 |
| 24 | 1626629 |
| 25 | 3052100 |
| 26 | 5743674 |
| 27 | 10782928 |
| 28 | 20283121 |
| 29 | 38092457 |
| 30 | 71632290 |
| 31 | 134560491 |
| 32 | 252989326 |
| 33 | 475313762 |