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 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 7 |
| 6 | 10 |
| 7 | 15 |
| 8 | 22 |
| 9 | 33 |
| 10 | 49 |
| 11 | 72 |
| 12 | 106 |
| 13 | 157 |
| 14 | 232 |
| 15 | 343 |
| 16 | 506 |
| 17 | 747 |
| 18 | 1102 |
| 19 | 1626 |
| 20 | 2401 |
| 21 | 3543 |
| 22 | 5229 |
| 23 | 7717 |
| 24 | 11388 |
| 25 | 16807 |
| 26 | 24803 |
| 27 | 36604 |
| 28 | 54019 |
| 29 | 79720 |
| 30 | 117649 |
| 31 | 173623 |
| 32 | 256228 |
| 33 | 378135 |
| 34 | 558041 |
| 35 | 823543 |
| 36 | 1215362 |
| 37 | 1793599 |
| 38 | 2646946 |
| 39 | 3906292 |
| 40 | 5764801 |
| 41 | 8507538 |
| 42 | 12555197 |
| 43 | 18528622 |
| 44 | 27344044 |
| 45 | 40353607 |
| 46 | 59552770 |