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 | 29 |
| 5 | 45 |
| 6 | 64 |
| 7 | 85 |
| 8 | 111 |
| 9 | 143 |
| 10 | 177 |
| 11 | 213 |
| 12 | 253 |
| 13 | 297 |
| 14 | 345 |
| 15 | 396 |
| 16 | 449 |
| 17 | 506 |
| 18 | 568 |
| 19 | 633 |
| 20 | 702 |
| 21 | 774 |
| 22 | 847 |
| 23 | 925 |
| 24 | 1008 |
| 25 | 1094 |
| 26 | 1184 |
| 27 | 1276 |
| 28 | 1371 |
| 29 | 1472 |
| 30 | 1577 |
| 31 | 1684 |
| 32 | 1793 |
| 33 | 1906 |
| 34 | 2024 |
| 35 | 2145 |
| 36 | 2269 |
| 37 | 2396 |
| 38 | 2526 |
| 39 | 2660 |
| 40 | 2798 |
| 41 | 2941 |
| 42 | 3088 |
| 43 | 3236 |
| 44 | 3387 |
| 45 | 3544 |
| 46 | 3704 |
| 47 | 3866 |
| 48 | 4032 |