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 | 3 |
| 4 | 3 |
| 5 | 7 |
| 6 | 11 |
| 7 | 19 |
| 8 | 27 |
| 9 | 51 |
| 10 | 83 |
| 11 | 128 |
| 12 | 208 |
| 13 | 324 |
| 14 | 542 |
| 15 | 856 |
| 16 | 1332 |
| 17 | 2047 |
| 18 | 3371 |
| 19 | 5083 |
| 20 | 8009 |
| 21 | 12545 |
| 22 | 19478 |
| 23 | 29770 |
| 24 | 46038 |
| 25 | 70777 |
| 26 | 108627 |
| 27 | 167847 |
| 28 | 255408 |
| 29 | 388751 |
| 30 | 593475 |
| 31 | 901108 |
| 32 | 1361840 |
| 33 | 2077973 |
| 34 | 3125004 |
| 35 | 4729056 |
| 36 | 7146843 |
| 37 | 10732799 |
| 38 | 16104511 |
| 39 | 24257261 |
| 40 | 36305878 |