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 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 14 |
| 6 | 25 |
| 7 | 41 |
| 8 | 67 |
| 9 | 105 |
| 10 | 163 |
| 11 | 246 |
| 12 | 368 |
| 13 | 540 |
| 14 | 784 |
| 15 | 1124 |
| 16 | 1596 |
| 17 | 2242 |
| 18 | 3124 |
| 19 | 4316 |
| 20 | 5918 |
| 21 | 8058 |
| 22 | 10899 |
| 23 | 14651 |
| 24 | 19581 |
| 25 | 26028 |
| 26 | 34417 |
| 27 | 45293 |
| 28 | 59327 |
| 29 | 77372 |
| 30 | 100483 |
| 31 | 129984 |
| 32 | 167502 |
| 33 | 215077 |
| 34 | 275199 |
| 35 | 350966 |
| 36 | 446162 |
| 37 | 565451 |
| 38 | 714515 |
| 39 | 900334 |
| 40 | 1131370 |
| 41 | 1417963 |