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 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 4 |
| 6 | 8 |
| 7 | 14 |
| 8 | 26 |
| 9 | 47 |
| 10 | 87 |
| 11 | 160 |
| 12 | 295 |
| 13 | 540 |
| 14 | 997 |
| 15 | 1832 |
| 16 | 3369 |
| 17 | 6197 |
| 18 | 11406 |
| 19 | 20975 |
| 20 | 38594 |
| 21 | 70991 |
| 22 | 130610 |
| 23 | 240275 |
| 24 | 442043 |
| 25 | 813184 |
| 26 | 1496053 |
| 27 | 2752251 |
| 28 | 5063319 |
| 29 | 9314879 |
| 30 | 17136632 |
| 31 | 31526032 |
| 32 | 57998423 |
| 33 | 106699160 |
| 34 | 196294065 |
| 35 | 361120800 |
| 36 | 664352454 |
| 37 | 1222204958 |