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 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 6 |
| 5 | 9 |
| 6 | 14 |
| 7 | 14 |
| 8 | 27 |
| 9 | 38 |
| 10 | 51 |
| 11 | 58 |
| 12 | 75 |
| 13 | 86 |
| 14 | 99 |
| 15 | 99 |
| 16 | 128 |
| 17 | 155 |
| 18 | 184 |
| 19 | 207 |
| 20 | 240 |
| 21 | 267 |
| 22 | 296 |
| 23 | 311 |
| 24 | 352 |
| 25 | 387 |
| 26 | 424 |
| 27 | 447 |
| 28 | 488 |
| 29 | 515 |
| 30 | 544 |
| 31 | 544 |
| 32 | 605 |
| 33 | 664 |
| 34 | 725 |
| 35 | 780 |
| 36 | 845 |
| 37 | 904 |
| 38 | 965 |
| 39 | 1012 |
| 40 | 1085 |
| 41 | 1152 |
| 42 | 1221 |
| 43 | 1276 |
| 44 | 1349 |
| 45 | 1408 |
| 46 | 1469 |
| 47 | 1500 |
| 48 | 1589 |
| 49 | 1672 |
| 50 | 1757 |
| 51 | 1828 |
| 52 | 1917 |