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 | 11 |
| 3 | 35 |
| 4 | 79 |
| 5 | 149 |
| 6 | 251 |
| 7 | 391 |
| 8 | 575 |
| 9 | 809 |
| 10 | 1099 |
| 11 | 1451 |
| 12 | 1871 |
| 13 | 2365 |
| 14 | 2939 |
| 15 | 3599 |
| 16 | 4351 |
| 17 | 5201 |
| 18 | 6155 |
| 19 | 7219 |
| 20 | 8399 |
| 21 | 9701 |
| 22 | 11131 |
| 23 | 12695 |
| 24 | 14399 |
| 25 | 16249 |
| 26 | 18251 |
| 27 | 20411 |
| 28 | 22735 |
| 29 | 25229 |
| 30 | 27899 |
| 31 | 30751 |
| 32 | 33791 |
| 33 | 37025 |
| 34 | 40459 |
| 35 | 44099 |
| 36 | 47951 |
| 37 | 52021 |
| 38 | 56315 |
| 39 | 60839 |
| 40 | 65599 |
| 41 | 70601 |
| 42 | 75851 |