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 | 13 |
| 2 | 34 |
| 3 | 74 |
| 4 | 170 |
| 5 | 290 |
| 6 | 458 |
| 7 | 650 |
| 8 | 890 |
| 9 | 1370 |
| 10 | 1802 |
| 11 | 2330 |
| 12 | 3050 |
| 13 | 3530 |
| 14 | 4058 |
| 15 | 5018 |
| 16 | 6290 |
| 17 | 7202 |
| 18 | 8210 |
| 19 | 9530 |
| 20 | 10370 |
| 21 | 11570 |
| 22 | 13130 |
| 23 | 14810 |
| 24 | 17330 |
| 25 | 19610 |
| 26 | 20810 |
| 27 | 22058 |
| 28 | 23330 |
| 29 | 24650 |
| 30 | 28898 |
| 31 | 33290 |
| 32 | 35930 |
| 33 | 38090 |
| 34 | 41522 |
| 35 | 45002 |