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 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 8 |
| 4 | 22 |
| 5 | 53 |
| 6 | 124 |
| 7 | 269 |
| 8 | 568 |
| 9 | 1152 |
| 10 | 2284 |
| 11 | 4410 |
| 12 | 8363 |
| 13 | 15542 |
| 14 | 28438 |
| 15 | 51201 |
| 16 | 90930 |
| 17 | 159300 |
| 18 | 275740 |
| 19 | 471706 |
| 20 | 798388 |
| 21 | 1337478 |
| 22 | 2219395 |
| 23 | 3649432 |
| 24 | 5950078 |
| 25 | 9622364 |
| 26 | 15442269 |
| 27 | 24600952 |
| 28 | 38919910 |
| 29 | 61164114 |
| 30 | 95513618 |
| 31 | 148247892 |
| 32 | 228761668 |
| 33 | 351032568 |
| 34 | 535772894 |