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) |
|---|---|
| 2 | 3 |
| 3 | 10 |
| 4 | 21 |
| 5 | 34 |
| 6 | 51 |
| 7 | 80 |
| 8 | 103 |
| 9 | 146 |
| 10 | 187 |
| 11 | 260 |
| 12 | 319 |
| 13 | 366 |
| 14 | 455 |
| 15 | 522 |
| 16 | 595 |
| 17 | 702 |
| 18 | 791 |
| 19 | 892 |
| 20 | 1019 |
| 21 | 1116 |
| 22 | 1199 |
| 23 | 1288 |
| 24 | 1385 |
| 25 | 1636 |
| 26 | 1767 |
| 27 | 1880 |
| 28 | 2031 |
| 29 | 2294 |
| 30 | 2545 |
| 31 | 2768 |
| 32 | 2947 |
| 33 | 3336 |
| 34 | 3617 |
| 35 | 3768 |
| 36 | 3965 |
| 37 | 4138 |
| 38 | 4377 |
| 39 | 4610 |
| 40 | 4801 |
| 41 | 5024 |
| 42 | 5247 |
| 43 | 5540 |
| 44 | 6133 |
| 45 | 6426 |
| 46 | 6883 |
| 47 | 7110 |
| 48 | 7421 |