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 | 5 |
| 2 | 25 |
| 3 | 92 |
| 4 | 272 |
| 5 | 691 |
| 6 | 1573 |
| 7 | 3296 |
| 8 | 6472 |
| 9 | 12058 |
| 10 | 21506 |
| 11 | 36961 |
| 12 | 61517 |
| 13 | 99542 |
| 14 | 157084 |
| 15 | 242371 |
| 16 | 366419 |
| 17 | 543763 |
| 18 | 793327 |
| 19 | 1139450 |
| 20 | 1613086 |
| 21 | 2253197 |
| 22 | 3108359 |
| 23 | 4238602 |
| 24 | 5717506 |
| 25 | 7634576 |
| 26 | 10097920 |
| 27 | 13237255 |
| 28 | 17207267 |
| 29 | 22191352 |
| 30 | 28405766 |
| 31 | 36104213 |