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 | 5 |
| 1 | 6 |
| 2 | 9 |
| 3 | 14 |
| 4 | 21 |
| 5 | 30 |
| 6 | 41 |
| 7 | 54 |
| 8 | 69 |
| 9 | 86 |
| 10 | 105 |
| 11 | 126 |
| 12 | 149 |
| 13 | 174 |
| 14 | 201 |
| 15 | 230 |
| 16 | 261 |
| 17 | 294 |
| 18 | 329 |
| 19 | 366 |
| 20 | 405 |
| 21 | 446 |
| 22 | 489 |
| 23 | 534 |
| 24 | 581 |
| 25 | 630 |
| 26 | 681 |
| 27 | 734 |
| 28 | 789 |
| 29 | 846 |
| 30 | 905 |
| 31 | 966 |
| 32 | 1029 |
| 33 | 1094 |
| 34 | 1161 |
| 35 | 1230 |
| 36 | 1301 |
| 37 | 1374 |
| 38 | 1449 |
| 39 | 1526 |
| 40 | 1605 |
| 41 | 1686 |
| 42 | 1769 |
| 43 | 1854 |
| 44 | 1941 |
| 45 | 2030 |
| 46 | 2121 |
| 47 | 2214 |
| 48 | 2309 |
| 49 | 2406 |
| 50 | 2505 |