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 | 11 |
| 2 | 19 |
| 3 | 41 |
| 4 | 71 |
| 5 | 419 |
| 6 | 599 |
| 7 | 929 |
| 8 | 1481 |
| 9 | 1979 |
| 10 | 2351 |
| 11 | 2969 |
| 12 | 3659 |
| 13 | 4691 |
| 14 | 13109 |
| 15 | 19181 |
| 16 | 19739 |
| 17 | 25121 |
| 18 | 27059 |
| 19 | 30449 |
| 20 | 32579 |
| 21 | 53129 |
| 22 | 57839 |
| 23 | 66821 |
| 24 | 69959 |
| 25 | 86729 |
| 26 | 98909 |
| 27 | 122849 |
| 28 | 125669 |
| 29 | 129959 |
| 30 | 140249 |
| 31 | 144779 |
| 32 | 176819 |
| 33 | 202949 |
| 34 | 219491 |
| 35 | 250499 |
| 36 | 254519 |