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 | 65 |
| 7 | 88 |
| 8 | 113 |
| 9 | 141 |
| 10 | 175 |
| 11 | 216 |
| 12 | 258 |
| 13 | 297 |
| 14 | 340 |
| 15 | 394 |
| 16 | 455 |
| 17 | 514 |
| 18 | 570 |
| 19 | 631 |
| 20 | 702 |
| 21 | 780 |
| 22 | 858 |
| 23 | 932 |
| 24 | 1008 |
| 25 | 1095 |
| 26 | 1192 |
| 27 | 1289 |
| 28 | 1380 |
| 29 | 1472 |
| 30 | 1576 |
| 31 | 1692 |
| 32 | 1809 |
| 33 | 1918 |
| 34 | 2025 |
| 35 | 2145 |
| 36 | 2280 |
| 37 | 2416 |
| 38 | 2543 |
| 39 | 2668 |
| 40 | 2805 |
| 41 | 2956 |
| 42 | 3110 |
| 43 | 3257 |
| 44 | 3399 |
| 45 | 3550 |
| 46 | 3718 |
| 47 | 3892 |
| 48 | 4057 |