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 | 0 |
| 1 | 2 |
| 2 | 4 |
| 3 | 7 |
| 4 | 11 |
| 5 | 17 |
| 6 | 26 |
| 7 | 37 |
| 8 | 54 |
| 9 | 76 |
| 10 | 106 |
| 11 | 145 |
| 12 | 199 |
| 13 | 266 |
| 14 | 357 |
| 15 | 472 |
| 16 | 621 |
| 17 | 809 |
| 18 | 1053 |
| 19 | 1354 |
| 20 | 1740 |
| 21 | 2218 |
| 22 | 2818 |
| 23 | 3559 |
| 24 | 4485 |
| 25 | 5616 |
| 26 | 7018 |
| 27 | 8728 |
| 28 | 10826 |
| 29 | 13373 |
| 30 | 16484 |
| 31 | 20236 |
| 32 | 24793 |
| 33 | 30275 |
| 34 | 36886 |
| 35 | 44810 |
| 36 | 54329 |
| 37 | 65683 |
| 38 | 79265 |
| 39 | 95419 |
| 40 | 114650 |
| 41 | 137447 |
| 42 | 164496 |
| 43 | 196445 |
| 44 | 234221 |