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 | 3 |
| 2 | 4 |
| 3 | 13 |
| 4 | 32 |
| 5 | 40 |
| 6 | 60 |
| 7 | 121 |
| 8 | 364 |
| 9 | 1093 |
| 10 | 3200 |
| 11 | 3280 |
| 12 | 9841 |
| 13 | 15120 |
| 14 | 16380 |
| 15 | 29282 |
| 16 | 29524 |
| 17 | 88573 |
| 18 | 91728 |
| 19 | 264992 |
| 20 | 265720 |
| 21 | 797161 |
| 22 | 2391484 |
| 23 | 7174453 |
| 24 | 21523360 |
| 25 | 40098240 |
| 26 | 64570081 |
| 27 | 71495424 |
| 28 | 78427440 |
| 29 | 193690562 |
| 30 | 193710244 |
| 31 | 229909120 |
| 32 | 581130733 |
| 33 | 689727360 |
| 34 | 1743392200 |
| 35 | 5230176601 |