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 | 0 |
| 2 | 2 |
| 3 | 4 |
| 4 | 12 |
| 5 | 13 |
| 6 | 31 |
| 7 | 35 |
| 8 | 50 |
| 9 | 78 |
| 10 | 97 |
| 11 | 128 |
| 12 | 204 |
| 13 | 217 |
| 14 | 241 |
| 15 | 316 |
| 16 | 337 |
| 17 | 352 |
| 18 | 381 |
| 19 | 396 |
| 20 | 407 |
| 21 | 428 |
| 22 | 439 |
| 23 | 460 |
| 24 | 471 |
| 25 | 486 |
| 26 | 495 |
| 27 | 599 |
| 28 | 600 |
| 29 | 603 |
| 30 | 605 |
| 31 | 768 |
| 32 | 778 |
| 33 | 857 |
| 34 | 927 |
| 35 | 1057 |
| 36 | 1252 |
| 37 | 1318 |
| 38 | 1919 |
| 39 | 2244 |
| 40 | 2524 |
| 41 | 2554 |
| 42 | 2809 |
| 43 | 2866 |
| 44 | 3384 |
| 45 | 3896 |
| 46 | 3930 |
| 47 | 4373 |
| 48 | 4668 |
| 49 | 4709 |
| 50 | 5446 |
| 51 | 6006 |
| 52 | 9236 |
| 53 | 9289 |
| 54 | 9514 |