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 | 4 |
| 2 | 9 |
| 3 | 17 |
| 4 | 28 |
| 5 | 41 |
| 6 | 57 |
| 7 | 76 |
| 8 | 97 |
| 9 | 121 |
| 10 | 148 |
| 11 | 177 |
| 12 | 209 |
| 13 | 244 |
| 14 | 281 |
| 15 | 321 |
| 16 | 364 |
| 17 | 409 |
| 18 | 457 |
| 19 | 508 |
| 20 | 561 |
| 21 | 617 |
| 22 | 676 |
| 23 | 737 |
| 24 | 801 |
| 25 | 868 |
| 26 | 937 |
| 27 | 1009 |
| 28 | 1084 |
| 29 | 1161 |
| 30 | 1241 |
| 31 | 1324 |
| 32 | 1409 |
| 33 | 1497 |
| 34 | 1588 |
| 35 | 1681 |
| 36 | 1777 |
| 37 | 1876 |
| 38 | 1977 |
| 39 | 2081 |
| 40 | 2188 |
| 41 | 2297 |
| 42 | 2409 |
| 43 | 2524 |
| 44 | 2641 |
| 45 | 2761 |
| 46 | 2884 |
| 47 | 3009 |
| 48 | 3137 |
| 49 | 3268 |