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 | 1 |
| 2 | 11 |
| 3 | 101 |
| 4 | 121 |
| 5 | 1111 |
| 6 | 1331 |
| 7 | 10111 |
| 8 | 10201 |
| 9 | 12221 |
| 10 | 14641 |
| 11 | 101111 |
| 12 | 111221 |
| 13 | 112211 |
| 14 | 134431 |
| 15 | 161051 |
| 16 | 1011001 |
| 17 | 1021211 |
| 18 | 1030301 |
| 19 | 1100101 |
| 20 | 1112221 |
| 21 | 1223431 |
| 22 | 1234321 |
| 23 | 1478741 |
| 24 | 1771561 |
| 25 | 10010101 |
| 26 | 10011101 |
| 27 | 10100011 |
| 28 | 10101101 |
| 29 | 10110011 |
| 30 | 10111001 |
| 31 | 10212211 |
| 32 | 11000111 |
| 33 | 11100101 |
| 34 | 11110111 |
| 35 | 11111101 |