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 | 1 |
| 2 | 6 |
| 3 | 21 |
| 4 | 81 |
| 5 | 120 |
| 6 | 342 |
| 7 | 653 |
| 8 | 1221 |
| 9 | 1729 |
| 10 | 3037 |
| 11 | 3884 |
| 12 | 6136 |
| 13 | 8650 |
| 14 | 12056 |
| 15 | 14580 |
| 16 | 20505 |
| 17 | 24083 |
| 18 | 32191 |
| 19 | 40684 |
| 20 | 51184 |
| 21 | 58455 |
| 22 | 74807 |
| 23 | 90133 |
| 24 | 110175 |
| 25 | 130476 |
| 26 | 155925 |
| 27 | 173529 |
| 28 | 209720 |
| 29 | 230413 |
| 30 | 269673 |
| 31 | 310187 |
| 32 | 358492 |
| 33 | 408861 |
| 34 | 473591 |
| 35 | 512204 |
| 36 | 582744 |
| 37 | 654517 |