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 | 1 |
| 2 | 5 |
| 3 | 13 |
| 4 | 29 |
| 5 | 51 |
| 6 | 75 |
| 7 | 99 |
| 8 | 135 |
| 9 | 175 |
| 10 | 207 |
| 11 | 251 |
| 12 | 315 |
| 13 | 409 |
| 14 | 481 |
| 15 | 537 |
| 16 | 613 |
| 17 | 685 |
| 18 | 717 |
| 19 | 765 |
| 20 | 845 |
| 21 | 957 |
| 22 | 1097 |
| 23 | 1237 |
| 24 | 1377 |
| 25 | 1545 |
| 26 | 1665 |
| 27 | 1797 |
| 28 | 1965 |
| 29 | 2203 |
| 30 | 2371 |
| 31 | 2491 |
| 32 | 2647 |
| 33 | 2783 |
| 34 | 2815 |
| 35 | 2863 |
| 36 | 2943 |
| 37 | 3055 |
| 38 | 3195 |
| 39 | 3339 |
| 40 | 3503 |
| 41 | 3727 |
| 42 | 3943 |
| 43 | 4199 |
| 44 | 4471 |
| 45 | 4839 |
| 46 | 5163 |
| 47 | 5479 |
| 48 | 5759 |
| 49 | 6055 |
| 50 | 6215 |
| 51 | 6365 |
| 52 | 6597 |
| 53 | 6917 |
| 54 | 7321 |
| 55 | 7753 |
| 56 | 8161 |