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 | 3 |
| 2 | 1 |
| 3 | 12 |
| 4 | 9 |
| 5 | 1 |
| 6 | 69 |
| 7 | 81 |
| 8 | 15 |
| 9 | 1 |
| 10 | 560 |
| 11 | 879 |
| 12 | 210 |
| 13 | 21 |
| 14 | 1 |
| 15 | 6059 |
| 16 | 11739 |
| 17 | 3285 |
| 18 | 399 |
| 19 | 27 |
| 20 | 1 |
| 21 | 83215 |
| 22 | 190044 |
| 23 | 59395 |
| 24 | 8127 |
| 25 | 648 |
| 26 | 33 |
| 27 | 1 |
| 28 | 1399161 |
| 29 | 3654814 |
| 30 | 1241270 |
| 31 | 184436 |
| 32 | 16245 |
| 33 | 957 |
| 34 | 39 |
| 35 | 1 |
| 36 | 28020221 |
| 37 | 81947221 |
| 38 | 29720808 |
| 39 | 4695719 |
| 40 | 442890 |
| 41 | 28479 |
| 42 | 1326 |
| 43 | 45 |
| 44 | 1 |