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 | 23 |
| 2 | 79 |
| 3 | 223 |
| 4 | 439 |
| 5 | 4759 |
| 6 | 53359 |
| 7 | 77839 |
| 8 | 95479 |
| 9 | 99223 |
| 10 | 159199 |
| 11 | 194479 |
| 12 | 239119 |
| 13 | 378223 |
| 14 | 416023 |
| 15 | 680623 |
| 16 | 2223079 |
| 17 | 2595319 |
| 18 | 2873023 |
| 19 | 3186223 |
| 20 | 3515623 |
| 21 | 4003999 |
| 22 | 5022079 |
| 23 | 6456679 |
| 24 | 6859159 |
| 25 | 8732023 |
| 26 | 9235519 |
| 27 | 9492559 |
| 28 | 10017223 |
| 29 | 10595023 |