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 | 181 |
| 2 | 241 |
| 3 | 421 |
| 4 | 631 |
| 5 | 691 |
| 6 | 811 |
| 7 | 1021 |
| 8 | 1051 |
| 9 | 1171 |
| 10 | 1471 |
| 11 | 1801 |
| 12 | 2521 |
| 13 | 2731 |
| 14 | 3001 |
| 15 | 3361 |
| 16 | 3571 |
| 17 | 4201 |
| 18 | 4231 |
| 19 | 4261 |
| 20 | 4831 |
| 21 | 4861 |
| 22 | 5011 |
| 23 | 5351 |
| 24 | 5581 |
| 25 | 5701 |
| 26 | 5791 |
| 27 | 6091 |
| 28 | 6121 |
| 29 | 6301 |
| 30 | 6481 |
| 31 | 6491 |
| 32 | 6691 |
| 33 | 6781 |
| 34 | 7321 |
| 35 | 8101 |
| 36 | 8221 |
| 37 | 8821 |
| 38 | 8941 |
| 39 | 9421 |
| 40 | 9511 |
| 41 | 9931 |
| 42 | 10141 |
| 43 | 10321 |
| 44 | 10771 |
| 45 | 11161 |
| 46 | 11971 |