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 | 1 |
| 2 | 13 |
| 3 | 25 |
| 4 | 49 |
| 5 | 69 |
| 6 | 97 |
| 7 | 137 |
| 8 | 193 |
| 9 | 273 |
| 10 | 309 |
| 11 | 385 |
| 12 | 545 |
| 13 | 617 |
| 14 | 769 |
| 15 | 829 |
| 16 | 861 |
| 17 | 973 |
| 18 | 1089 |
| 19 | 1233 |
| 20 | 1301 |
| 21 | 1537 |
| 22 | 1657 |
| 23 | 1721 |
| 24 | 1945 |
| 25 | 2177 |
| 26 | 2465 |
| 27 | 2601 |
| 28 | 3073 |
| 29 | 3313 |
| 30 | 3441 |
| 31 | 3613 |
| 32 | 3889 |
| 33 | 4353 |
| 34 | 4929 |
| 35 | 5201 |
| 36 | 5333 |
| 37 | 5965 |
| 38 | 6145 |
| 39 | 6625 |
| 40 | 6765 |
| 41 | 6881 |
| 42 | 7225 |
| 43 | 7777 |
| 44 | 8705 |
| 45 | 9857 |
| 46 | 10401 |
| 47 | 10665 |
| 48 | 11109 |
| 49 | 11461 |
| 50 | 11929 |
| 51 | 12289 |
| 52 | 13249 |
| 53 | 13529 |
| 54 | 13761 |
| 55 | 14449 |
| 56 | 14749 |
| 57 | 15553 |
| 58 | 17197 |