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 | 5 |
| 2 | 13 |
| 3 | 61 |
| 4 | 181 |
| 5 | 421 |
| 6 | 3121 |
| 7 | 5101 |
| 8 | 60901 |
| 9 | 83641 |
| 10 | 100801 |
| 11 | 135721 |
| 12 | 161881 |
| 13 | 163021 |
| 14 | 218461 |
| 15 | 273061 |
| 16 | 491041 |
| 17 | 595141 |
| 18 | 637321 |
| 19 | 697381 |
| 20 | 1064341 |
| 21 | 1108561 |
| 22 | 1171981 |
| 23 | 1806901 |
| 24 | 2574181 |
| 25 | 2601481 |
| 26 | 2740141 |
| 27 | 2763601 |
| 28 | 2853661 |
| 29 | 3248701 |
| 30 | 3535141 |
| 31 | 3567121 |
| 32 | 3696481 |
| 33 | 3723721 |
| 34 | 3729181 |
| 35 | 4832941 |