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 | 15 |
| 2 | 4697 |
| 3 | 5548 |
| 4 | 14774 |
| 5 | 33696 |
| 6 | 61072 |
| 7 | 111231 |
| 8 | 115985 |
| 9 | 173819 |
| 10 | 563316 |
| 11 | 606004 |
| 12 | 1751458 |
| 13 | 1952544 |
| 14 | 3046715 |
| 15 | 4397195 |
| 16 | 45051907 |
| 17 | 653475595 |
| 18 | 734915444 |
| 19 | 1241384578 |
| 20 | 2438767174 |
| 21 | 2557084119 |
| 22 | 5090226634 |
| 23 | 6088149715 |
| 24 | 18483120028 |
| 25 | 44254634530 |
| 26 | 48502484589 |
| 27 | 70835215004 |