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 | 3 |
| 1 | 7 |
| 2 | 9 |
| 3 | 13 |
| 4 | 17 |
| 5 | 23 |
| 6 | 33 |
| 7 | 47 |
| 8 | 69 |
| 9 | 104 |
| 10 | 160 |
| 11 | 250 |
| 12 | 396 |
| 13 | 630 |
| 14 | 1008 |
| 15 | 1619 |
| 16 | 2607 |
| 17 | 4205 |
| 18 | 6790 |
| 19 | 10972 |
| 20 | 17738 |
| 21 | 28685 |
| 22 | 46398 |
| 23 | 75056 |
| 24 | 121425 |
| 25 | 196451 |
| 26 | 317845 |
| 27 | 514264 |
| 28 | 832076 |
| 29 | 1346306 |
| 30 | 2178347 |
| 31 | 3524617 |
| 32 | 5702927 |
| 33 | 9227506 |
| 34 | 14930394 |
| 35 | 24157860 |
| 36 | 39088213 |
| 37 | 63246031 |
| 38 | 102334201 |