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 | 4 |
| 2 | 219 |
| 3 | 1225 |
| 4 | 1979 |
| 5 | 5105 |
| 6 | 6883 |
| 7 | 13104 |
| 8 | 27720 |
| 9 | 42120 |
| 10 | 21896 |
| 11 | 46872 |
| 12 | 62244 |
| 13 | 81081 |
| 14 | 77896 |
| 15 | 138320 |
| 16 | 169344 |
| 17 | 116200 |
| 18 | 216216 |
| 19 | 246645 |
| 20 | 314496 |
| 21 | 361368 |
| 22 | 406224 |
| 23 | 444600 |
| 24 | 375193 |
| 25 | 563472 |
| 26 | 353808 |
| 27 | 497952 |
| 28 | 923104 |
| 29 | 687960 |
| 30 | 1149120 |
| 31 | 1245888 |
| 32 | 1369368 |