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 | 2 |
| 2 | 11 |
| 3 | 19 |
| 4 | 29 |
| 5 | 61 |
| 6 | 191 |
| 7 | 199 |
| 8 | 211 |
| 9 | 229 |
| 10 | 269 |
| 11 | 619 |
| 12 | 661 |
| 13 | 691 |
| 14 | 911 |
| 15 | 919 |
| 16 | 929 |
| 17 | 991 |
| 18 | 1129 |
| 19 | 1229 |
| 20 | 1291 |
| 21 | 1619 |
| 22 | 1621 |
| 23 | 1669 |
| 24 | 1699 |
| 25 | 1999 |
| 26 | 2111 |
| 27 | 2129 |
| 28 | 2161 |
| 29 | 2221 |
| 30 | 2269 |
| 31 | 2621 |
| 32 | 2699 |
| 33 | 2969 |
| 34 | 2999 |
| 35 | 6121 |
| 36 | 6199 |
| 37 | 6211 |
| 38 | 6221 |
| 39 | 6229 |
| 40 | 6269 |
| 41 | 6299 |
| 42 | 6619 |
| 43 | 6661 |
| 44 | 6691 |
| 45 | 6911 |
| 46 | 6961 |
| 47 | 6991 |
| 48 | 9161 |