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 | 21 |
| 2 | 78 |
| 3 | 173 |
| 4 | 306 |
| 5 | 477 |
| 6 | 686 |
| 7 | 933 |
| 8 | 1218 |
| 9 | 1541 |
| 10 | 1902 |
| 11 | 2301 |
| 12 | 2738 |
| 13 | 3213 |
| 14 | 3726 |
| 15 | 4277 |
| 16 | 4866 |
| 17 | 5493 |
| 18 | 6158 |
| 19 | 6861 |
| 20 | 7602 |
| 21 | 8381 |
| 22 | 9198 |
| 23 | 10053 |
| 24 | 10946 |
| 25 | 11877 |
| 26 | 12846 |
| 27 | 13853 |
| 28 | 14898 |
| 29 | 15981 |
| 30 | 17102 |
| 31 | 18261 |
| 32 | 19458 |
| 33 | 20693 |
| 34 | 21966 |
| 35 | 23277 |
| 36 | 24626 |
| 37 | 26013 |
| 38 | 27438 |
| 39 | 28901 |
| 40 | 30402 |
| 41 | 31941 |