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 | 7 |
| 2 | 29 |
| 3 | 90 |
| 4 | 232 |
| 5 | 524 |
| 6 | 1072 |
| 7 | 2030 |
| 8 | 3613 |
| 9 | 6111 |
| 10 | 9905 |
| 11 | 15484 |
| 12 | 23464 |
| 13 | 34608 |
| 14 | 49848 |
| 15 | 70308 |
| 16 | 97329 |
| 17 | 132495 |
| 18 | 177661 |
| 19 | 234982 |
| 20 | 306944 |
| 21 | 396396 |
| 22 | 506584 |
| 23 | 641186 |
| 24 | 804349 |
| 25 | 1000727 |
| 26 | 1235521 |
| 27 | 1514520 |
| 28 | 1844144 |
| 29 | 2231488 |
| 30 | 2684368 |
| 31 | 3211368 |