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 | 13 |
| 3 | 70 |
| 4 | 247 |
| 5 | 671 |
| 6 | 1547 |
| 7 | 3178 |
| 8 | 5916 |
| 9 | 10317 |
| 10 | 17088 |
| 11 | 26818 |
| 12 | 40703 |
| 13 | 60034 |
| 14 | 85463 |
| 15 | 119288 |
| 16 | 163736 |
| 17 | 218924 |
| 18 | 288933 |
| 19 | 377482 |
| 20 | 482734 |
| 21 | 612535 |
| 22 | 772291 |
| 23 | 955604 |
| 24 | 1177050 |
| 25 | 1443522 |
| 26 | 1742481 |
| 27 | 2097702 |
| 28 | 2517368 |
| 29 | 2978851 |
| 30 | 3519151 |
| 31 | 4152486 |
| 32 | 4836104 |
| 33 | 5625521 |
| 34 | 6543616 |
| 35 | 7517622 |