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 | 15 |
| 2 | 50 |
| 3 | 193 |
| 4 | 516 |
| 5 | 1415 |
| 6 | 3178 |
| 7 | 6777 |
| 8 | 11960 |
| 9 | 22363 |
| 10 | 34026 |
| 11 | 53069 |
| 12 | 75568 |
| 13 | 107967 |
| 14 | 144830 |
| 15 | 184033 |
| 16 | 236016 |
| 17 | 293615 |
| 18 | 366514 |
| 19 | 446037 |
| 20 | 543380 |
| 21 | 664483 |
| 22 | 840882 |
| 23 | 1027505 |
| 24 | 1240948 |
| 25 | 1513431 |
| 26 | 1838330 |
| 27 | 2198329 |
| 28 | 2580252 |
| 29 | 2992415 |
| 30 | 3428014 |
| 31 | 4084113 |
| 32 | 4759796 |
| 33 | 5445379 |
| 34 | 6181542 |