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) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 7 |
| 5 | 13 |
| 6 | 19 |
| 7 | 25 |
| 8 | 43 |
| 9 | 61 |
| 10 | 73 |
| 11 | 79 |
| 12 | 103 |
| 13 | 133 |
| 14 | 187 |
| 15 | 223 |
| 16 | 241 |
| 17 | 313 |
| 18 | 403 |
| 19 | 439 |
| 20 | 565 |
| 21 | 673 |
| 22 | 727 |
| 23 | 943 |
| 24 | 1213 |
| 25 | 1321 |
| 26 | 1483 |
| 27 | 1699 |
| 28 | 2023 |
| 29 | 2185 |
| 30 | 2833 |
| 31 | 3643 |
| 32 | 3967 |
| 33 | 4453 |
| 34 | 4723 |
| 35 | 5101 |
| 36 | 5263 |
| 37 | 6073 |
| 38 | 6559 |
| 39 | 6613 |
| 40 | 8503 |
| 41 | 10933 |
| 42 | 11905 |
| 43 | 13363 |
| 44 | 14173 |
| 45 | 15307 |
| 46 | 15793 |
| 47 | 18223 |