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 | 1 |
| 2 | 3 |
| 3 | 7 |
| 4 | 11 |
| 5 | 26 |
| 6 | 45 |
| 7 | 85 |
| 8 | 163 |
| 9 | 304 |
| 10 | 578 |
| 11 | 1090 |
| 12 | 2057 |
| 13 | 3888 |
| 14 | 7339 |
| 15 | 13862 |
| 16 | 26179 |
| 17 | 49437 |
| 18 | 93366 |
| 19 | 176321 |
| 20 | 332986 |
| 21 | 628852 |
| 22 | 1187596 |
| 23 | 2242800 |
| 24 | 4235569 |
| 25 | 7998951 |
| 26 | 15106172 |
| 27 | 28528288 |
| 28 | 53876211 |
| 29 | 101746240 |
| 30 | 192149690 |
| 31 | 362878313 |
| 32 | 685302531 |
| 33 | 1294206745 |
| 34 | 2444133829 |