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) |
|---|---|
| 3 | 4 |
| 4 | 19 |
| 5 | 61 |
| 6 | 157 |
| 7 | 353 |
| 8 | 717 |
| 9 | 1355 |
| 10 | 2412 |
| 11 | 4094 |
| 12 | 6676 |
| 13 | 10524 |
| 14 | 16108 |
| 15 | 24036 |
| 16 | 35063 |
| 17 | 50135 |
| 18 | 70409 |
| 19 | 97295 |
| 20 | 132485 |
| 21 | 178011 |
| 22 | 236268 |
| 23 | 310086 |
| 24 | 402768 |
| 25 | 518158 |
| 26 | 660692 |
| 27 | 835486 |
| 28 | 1048379 |
| 29 | 1306039 |
| 30 | 1616025 |
| 31 | 1986887 |
| 32 | 2428245 |
| 33 | 2950913 |
| 34 | 3566968 |
| 35 | 4289896 |