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 | 156519 |
| 2 | 245024 |
| 3 | 310155 |
| 4 | 524799 |
| 5 | 638000 |
| 6 | 893024 |
| 7 | 1079000 |
| 8 | 2055780 |
| 9 | 2095975 |
| 10 | 2203200 |
| 11 | 2566025 |
| 12 | 2592512 |
| 13 | 2853135 |
| 14 | 2934063 |
| 15 | 3213375 |
| 16 | 3294719 |
| 17 | 4056975 |
| 18 | 4322240 |
| 19 | 4471935 |
| 20 | 5746455 |
| 21 | 6515145 |
| 22 | 7289919 |
| 23 | 7316000 |
| 24 | 7329608 |
| 25 | 7866495 |
| 26 | 8459360 |
| 27 | 8555624 |
| 28 | 8934464 |
| 29 | 9035415 |
| 30 | 11291091 |