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 | 34 |
| 3 | 159 |
| 4 | 489 |
| 5 | 1161 |
| 6 | 2365 |
| 7 | 4336 |
| 8 | 7323 |
| 9 | 11640 |
| 10 | 17646 |
| 11 | 25702 |
| 12 | 36246 |
| 13 | 49761 |
| 14 | 66720 |
| 15 | 87685 |
| 16 | 113263 |
| 17 | 144039 |
| 18 | 180699 |
| 19 | 223974 |
| 20 | 274561 |
| 21 | 333270 |
| 22 | 400956 |
| 23 | 478428 |
| 24 | 566620 |
| 25 | 666511 |
| 26 | 779022 |
| 27 | 905211 |
| 28 | 1046181 |
| 29 | 1202965 |
| 30 | 1376745 |
| 31 | 1568748 |
| 32 | 1780119 |
| 33 | 2012164 |
| 34 | 2266234 |
| 35 | 2543586 |