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 | 19 |
| 3 | 53 |
| 4 | 89 |
| 5 | 251 |
| 6 | 701 |
| 7 | 1709 |
| 8 | 1889 |
| 9 | 2699 |
| 10 | 5669 |
| 11 | 12401 |
| 12 | 13859 |
| 13 | 18719 |
| 14 | 38501 |
| 15 | 49139 |
| 16 | 60029 |
| 17 | 104651 |
| 18 | 114479 |
| 19 | 146609 |
| 20 | 158201 |
| 21 | 188189 |
| 22 | 226799 |
| 23 | 258119 |
| 24 | 371951 |
| 25 | 385001 |
| 26 | 497501 |
| 27 | 597869 |
| 28 | 665279 |
| 29 | 954269 |
| 30 | 1034639 |
| 31 | 1159001 |
| 32 | 1309769 |
| 33 | 1660751 |
| 34 | 1869209 |