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 | 61 |
| 2 | 4561 |
| 3 | 9511 |
| 4 | 17299 |
| 5 | 19471 |
| 6 | 26737 |
| 7 | 30109 |
| 8 | 37447 |
| 9 | 49957 |
| 10 | 69439 |
| 11 | 94561 |
| 12 | 196699 |
| 13 | 209311 |
| 14 | 259603 |
| 15 | 317539 |
| 16 | 333517 |
| 17 | 352249 |
| 18 | 414097 |
| 19 | 427069 |
| 20 | 459013 |
| 21 | 678157 |
| 22 | 845491 |
| 23 | 886429 |
| 24 | 943819 |
| 25 | 1027189 |
| 26 | 1217719 |
| 27 | 1410163 |
| 28 | 1472587 |
| 29 | 1647379 |
| 30 | 2165323 |
| 31 | 2200777 |
| 32 | 2230549 |
| 33 | 2603389 |