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 | 3 |
| 2 | 6 |
| 3 | 9 |
| 4 | 14 |
| 5 | 23 |
| 6 | 36 |
| 7 | 57 |
| 8 | 90 |
| 9 | 143 |
| 10 | 226 |
| 11 | 357 |
| 12 | 566 |
| 13 | 895 |
| 14 | 1416 |
| 15 | 2241 |
| 16 | 3546 |
| 17 | 5611 |
| 18 | 8878 |
| 19 | 14049 |
| 20 | 22230 |
| 21 | 35175 |
| 22 | 55660 |
| 23 | 88073 |
| 24 | 139362 |
| 25 | 220519 |
| 26 | 348938 |
| 27 | 552141 |
| 28 | 873678 |
| 29 | 1382463 |
| 30 | 2187536 |
| 31 | 3461441 |
| 32 | 5477202 |
| 33 | 8666835 |
| 34 | 13713942 |
| 35 | 21700217 |
| 36 | 34337278 |
| 37 | 54333495 |
| 38 | 85974452 |