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 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 13 |
| 6 | 29 |
| 7 | 36 |
| 8 | 55 |
| 9 | 112 |
| 10 | 223 |
| 11 | 264 |
| 12 | 514 |
| 13 | 956 |
| 14 | 1749 |
| 15 | 2345 |
| 16 | 2847 |
| 17 | 5005 |
| 18 | 8567 |
| 19 | 9507 |
| 20 | 16073 |
| 21 | 26792 |
| 22 | 43730 |
| 23 | 70482 |
| 24 | 88969 |
| 25 | 140871 |
| 26 | 221370 |
| 27 | 342958 |
| 28 | 368588 |
| 29 | 565510 |
| 30 | 859401 |
| 31 | 1290994 |
| 32 | 1927925 |
| 33 | 2128165 |
| 34 | 3142980 |
| 35 | 4616207 |
| 36 | 6754033 |
| 37 | 9810997 |
| 38 | 14133201 |
| 39 | 20230329 |
| 40 | 28744301 |