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 | 2999 |
| 2 | 3989 |
| 3 | 4799 |
| 4 | 4889 |
| 5 | 5879 |
| 6 | 5897 |
| 7 | 5987 |
| 8 | 6599 |
| 9 | 6689 |
| 10 | 6779 |
| 11 | 6869 |
| 12 | 6959 |
| 13 | 6977 |
| 14 | 7499 |
| 15 | 7589 |
| 16 | 7877 |
| 17 | 7949 |
| 18 | 8597 |
| 19 | 8669 |
| 20 | 8849 |
| 21 | 8867 |
| 22 | 9479 |
| 23 | 9497 |
| 24 | 9587 |
| 25 | 9677 |
| 26 | 9749 |
| 27 | 9767 |
| 28 | 9839 |
| 29 | 9857 |
| 30 | 9929 |
| 31 | 12899 |
| 32 | 13799 |
| 33 | 13997 |
| 34 | 14699 |
| 35 | 14879 |
| 36 | 14897 |
| 37 | 14969 |
| 38 | 15797 |
| 39 | 15887 |
| 40 | 15959 |