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 | 123 |
| 2 | 219 |
| 3 | 695 |
| 4 | 1261 |
| 5 | 1851 |
| 6 | 1943 |
| 7 | 3543 |
| 8 | 5963 |
| 9 | 7031 |
| 10 | 7613 |
| 11 | 7769 |
| 12 | 7861 |
| 13 | 10081 |
| 14 | 11357 |
| 15 | 11629 |
| 16 | 12083 |
| 17 | 13211 |
| 18 | 13791 |
| 19 | 14185 |
| 20 | 15699 |
| 21 | 15835 |
| 22 | 15929 |
| 23 | 16241 |
| 24 | 18649 |
| 25 | 20197 |
| 26 | 20989 |
| 27 | 22521 |
| 28 | 23449 |
| 29 | 23521 |
| 30 | 23963 |
| 31 | 24461 |
| 32 | 27215 |
| 33 | 27829 |
| 34 | 28263 |
| 35 | 28367 |
| 36 | 29485 |
| 37 | 29651 |
| 38 | 30359 |
| 39 | 30901 |
| 40 | 31803 |