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 | 3 |
| 2 | 8 |
| 3 | 12 |
| 4 | 19 |
| 5 | 25 |
| 6 | 35 |
| 7 | 43 |
| 8 | 55 |
| 9 | 66 |
| 10 | 80 |
| 11 | 93 |
| 12 | 109 |
| 13 | 124 |
| 14 | 142 |
| 15 | 160 |
| 16 | 180 |
| 17 | 200 |
| 18 | 222 |
| 19 | 244 |
| 20 | 269 |
| 21 | 293 |
| 22 | 320 |
| 23 | 346 |
| 24 | 375 |
| 25 | 403 |
| 26 | 434 |
| 27 | 464 |
| 28 | 497 |
| 29 | 530 |
| 30 | 565 |
| 31 | 600 |
| 32 | 637 |
| 33 | 674 |
| 34 | 713 |
| 35 | 752 |
| 36 | 794 |
| 37 | 835 |
| 38 | 879 |
| 39 | 922 |
| 40 | 968 |
| 41 | 1013 |
| 42 | 1061 |
| 43 | 1108 |
| 44 | 1158 |
| 45 | 1207 |
| 46 | 1259 |
| 47 | 1311 |
| 48 | 1365 |
| 49 | 1419 |
| 50 | 1475 |
| 51 | 1531 |