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 | 11 |
| 2 | 33 |
| 3 | 67 |
| 4 | 113 |
| 5 | 171 |
| 6 | 241 |
| 7 | 323 |
| 8 | 417 |
| 9 | 523 |
| 10 | 641 |
| 11 | 771 |
| 12 | 913 |
| 13 | 1067 |
| 14 | 1233 |
| 15 | 1411 |
| 16 | 1601 |
| 17 | 1803 |
| 18 | 2017 |
| 19 | 2243 |
| 20 | 2481 |
| 21 | 2731 |
| 22 | 2993 |
| 23 | 3267 |
| 24 | 3553 |
| 25 | 3851 |
| 26 | 4161 |
| 27 | 4483 |
| 28 | 4817 |
| 29 | 5163 |
| 30 | 5521 |
| 31 | 5891 |
| 32 | 6273 |
| 33 | 6667 |
| 34 | 7073 |
| 35 | 7491 |
| 36 | 7921 |
| 37 | 8363 |
| 38 | 8817 |
| 39 | 9283 |
| 40 | 9761 |
| 41 | 10251 |
| 42 | 10753 |
| 43 | 11267 |