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 | 7 |
| 2 | 18 |
| 3 | 9 |
| 4 | 23 |
| 5 | 58 |
| 6 | 29 |
| 7 | 73 |
| 8 | 183 |
| 9 | 458 |
| 10 | 229 |
| 11 | 573 |
| 12 | 1433 |
| 13 | 3583 |
| 14 | 8958 |
| 15 | 4479 |
| 16 | 11198 |
| 17 | 5599 |
| 18 | 13998 |
| 19 | 6999 |
| 20 | 17498 |
| 21 | 8749 |
| 22 | 21873 |
| 23 | 54683 |
| 24 | 136708 |
| 25 | 68354 |
| 26 | 34177 |
| 27 | 85443 |
| 28 | 213608 |
| 29 | 106804 |
| 30 | 53402 |
| 31 | 26701 |
| 32 | 66753 |
| 33 | 166883 |
| 34 | 417208 |
| 35 | 208604 |
| 36 | 104302 |
| 37 | 52151 |
| 38 | 130378 |
| 39 | 65189 |
| 40 | 162973 |
| 41 | 407433 |
| 42 | 1018583 |
| 43 | 2546458 |
| 44 | 1273229 |
| 45 | 3183073 |
| 46 | 7957683 |
| 47 | 19894208 |
| 48 | 9947104 |