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 | 5 |
| 3 | 13 |
| 4 | 29 |
| 5 | 60 |
| 6 | 118 |
| 7 | 225 |
| 8 | 419 |
| 9 | 767 |
| 10 | 1385 |
| 11 | 2474 |
| 12 | 4380 |
| 13 | 7697 |
| 14 | 13441 |
| 15 | 23345 |
| 16 | 40357 |
| 17 | 69480 |
| 18 | 119186 |
| 19 | 203793 |
| 20 | 347455 |
| 21 | 590851 |
| 22 | 1002385 |
| 23 | 1696918 |
| 24 | 2867064 |
| 25 | 4835425 |
| 26 | 8141693 |
| 27 | 13687765 |
| 28 | 22979309 |
| 29 | 38527572 |
| 30 | 64517230 |
| 31 | 107915649 |
| 32 | 180314075 |
| 33 | 300981767 |
| 34 | 501929081 |