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 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 8 |
| 7 | 12 |
| 8 | 19 |
| 9 | 30 |
| 10 | 47 |
| 11 | 75 |
| 12 | 118 |
| 13 | 185 |
| 14 | 292 |
| 15 | 460 |
| 16 | 725 |
| 17 | 1143 |
| 18 | 1800 |
| 19 | 2836 |
| 20 | 4469 |
| 21 | 7042 |
| 22 | 11097 |
| 23 | 17485 |
| 24 | 27550 |
| 25 | 43411 |
| 26 | 68403 |
| 27 | 107783 |
| 28 | 169834 |
| 29 | 267606 |
| 30 | 421666 |
| 31 | 664419 |
| 32 | 1046925 |
| 33 | 1649640 |
| 34 | 2599335 |
| 35 | 4095768 |
| 36 | 6453698 |
| 37 | 10169086 |
| 38 | 16023420 |
| 39 | 25248087 |
| 40 | 39783383 |