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 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 8 |
| 4 | 16 |
| 5 | 51 |
| 6 | 59 |
| 7 | 83 |
| 8 | 99 |
| 9 | 123 |
| 10 | 159 |
| 11 | 199 |
| 12 | 215 |
| 13 | 263 |
| 14 | 287 |
| 15 | 359 |
| 16 | 391 |
| 17 | 455 |
| 18 | 479 |
| 19 | 551 |
| 20 | 623 |
| 21 | 671 |
| 22 | 711 |
| 23 | 799 |
| 24 | 831 |
| 25 | 991 |
| 26 | 1039 |
| 27 | 1111 |
| 28 | 1159 |
| 29 | 1271 |
| 30 | 1343 |
| 31 | 1463 |
| 32 | 1527 |
| 33 | 1607 |
| 34 | 1671 |
| 35 | 1887 |
| 36 | 1935 |
| 37 | 2079 |
| 38 | 2151 |
| 39 | 2247 |
| 40 | 2391 |