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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 10 |
| 6 | 12 |
| 7 | 39 |
| 8 | 90 |
| 9 | 486 |
| 10 | 1130 |
| 11 | 1497 |
| 12 | 1983 |
| 13 | 3480 |
| 14 | 4610 |
| 15 | 10717 |
| 16 | 24914 |
| 17 | 33004 |
| 18 | 57918 |
| 19 | 76725 |
| 20 | 134643 |
| 21 | 178364 |
| 22 | 549289 |
| 23 | 727653 |
| 24 | 1691588 |
| 25 | 2240877 |
| 26 | 2968530 |
| 27 | 3932465 |
| 28 | 5209407 |
| 29 | 12110402 |
| 30 | 28153269 |
| 31 | 65448410 |
| 32 | 86700684 |
| 33 | 114853953 |
| 34 | 1089264462 |
| 35 | 1911525877 |
| 36 | 3354494070 |