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) |
|---|---|
| 0 | 0 |
| 1 | 4 |
| 2 | 10 |
| 3 | 19 |
| 4 | 33 |
| 5 | 54 |
| 6 | 85 |
| 7 | 132 |
| 8 | 202 |
| 9 | 307 |
| 10 | 465 |
| 11 | 702 |
| 12 | 1057 |
| 13 | 1590 |
| 14 | 2389 |
| 15 | 3588 |
| 16 | 5386 |
| 17 | 8083 |
| 18 | 12129 |
| 19 | 18198 |
| 20 | 27301 |
| 21 | 40956 |
| 22 | 61438 |
| 23 | 92161 |
| 24 | 138246 |
| 25 | 207373 |
| 26 | 311064 |
| 27 | 466600 |
| 28 | 699904 |
| 29 | 1049860 |
| 30 | 1574794 |
| 31 | 2362195 |
| 32 | 3543297 |
| 33 | 5314950 |
| 34 | 7972429 |
| 35 | 11958648 |