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 | 21735 |
| 2 | 58695 |
| 3 | 93015 |
| 4 | 94094 |
| 5 | 111111 |
| 6 | 123255 |
| 7 | 137240 |
| 8 | 140504 |
| 9 | 159159 |
| 10 | 162944 |
| 11 | 175959 |
| 12 | 178815 |
| 13 | 190280 |
| 14 | 202215 |
| 15 | 214136 |
| 16 | 215270 |
| 17 | 224895 |
| 18 | 226610 |
| 19 | 233624 |
| 20 | 239624 |
| 21 | 239784 |
| 22 | 242535 |
| 23 | 246375 |
| 24 | 248744 |
| 25 | 250263 |
| 26 | 251559 |
| 27 | 258687 |
| 28 | 259064 |
| 29 | 259335 |
| 30 | 260337 |