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 | 5 |
| 4 | 9 |
| 5 | 19 |
| 6 | 27 |
| 7 | 53 |
| 8 | 74 |
| 9 | 122 |
| 10 | 170 |
| 11 | 274 |
| 12 | 355 |
| 13 | 555 |
| 14 | 724 |
| 15 | 1043 |
| 16 | 1377 |
| 17 | 1964 |
| 18 | 2487 |
| 19 | 3497 |
| 20 | 4429 |
| 21 | 5993 |
| 22 | 7622 |
| 23 | 10205 |
| 24 | 12701 |
| 25 | 16831 |
| 26 | 20964 |
| 27 | 27166 |
| 28 | 33756 |
| 29 | 43452 |
| 30 | 53296 |
| 31 | 68134 |
| 32 | 83464 |
| 33 | 105086 |
| 34 | 128495 |
| 35 | 160803 |
| 36 | 195006 |
| 37 | 242811 |
| 38 | 293701 |
| 39 | 362026 |
| 40 | 436842 |
| 41 | 536103 |