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) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 9 |
| 4 | 17 |
| 5 | 28 |
| 6 | 47 |
| 7 | 73 |
| 8 | 114 |
| 9 | 170 |
| 10 | 253 |
| 11 | 365 |
| 12 | 525 |
| 13 | 738 |
| 14 | 1033 |
| 15 | 1422 |
| 16 | 1948 |
| 17 | 2634 |
| 18 | 3545 |
| 19 | 4721 |
| 20 | 6259 |
| 21 | 8227 |
| 22 | 10767 |
| 23 | 13990 |
| 24 | 18105 |
| 25 | 23286 |
| 26 | 29837 |
| 27 | 38028 |
| 28 | 48297 |
| 29 | 61053 |
| 30 | 76926 |
| 31 | 96524 |
| 32 | 120746 |
| 33 | 150487 |
| 34 | 187019 |
| 35 | 231643 |
| 36 | 286152 |
| 37 | 352413 |
| 38 | 432937 |
| 39 | 530383 |
| 40 | 648245 |