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 | 18 |
| 2 | 30 |
| 3 | 198 |
| 4 | 306 |
| 5 | 462 |
| 6 | 1482 |
| 7 | 2550 |
| 8 | 4422 |
| 9 | 17298 |
| 10 | 23322 |
| 11 | 23550 |
| 12 | 40350 |
| 13 | 52578 |
| 14 | 67938 |
| 15 | 88506 |
| 16 | 92202 |
| 17 | 96222 |
| 18 | 123006 |
| 19 | 131070 |
| 20 | 219102 |
| 21 | 226182 |
| 22 | 237690 |
| 23 | 277506 |
| 24 | 312702 |
| 25 | 359658 |
| 26 | 432822 |
| 27 | 526878 |
| 28 | 533370 |
| 29 | 584166 |
| 30 | 659934 |
| 31 | 1032858 |
| 32 | 1051650 |
| 33 | 1140414 |
| 34 | 1142658 |
| 35 | 1243170 |
| 36 | 1255422 |