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 | 74 |
| 3 | 4386 |
| 4 | 4505 |
| 5 | 9314 |
| 6 | 10357 |
| 7 | 21095 |
| 8 | 29621 |
| 9 | 38784 |
| 10 | 102463 |
| 11 | 105200 |
| 12 | 116134 |
| 13 | 163300 |
| 14 | 179967 |
| 15 | 186918 |
| 16 | 210515 |
| 17 | 252830 |
| 18 | 348709 |
| 19 | 354022 |
| 20 | 362345 |
| 21 | 396820 |
| 22 | 400915 |
| 23 | 431568 |
| 24 | 438862 |
| 25 | 457748 |
| 26 | 464118 |
| 27 | 470852 |
| 28 | 477341 |
| 29 | 493070 |