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 | 121 |
| 3 | 131 |
| 4 | 141 |
| 5 | 151 |
| 6 | 161 |
| 7 | 171 |
| 8 | 181 |
| 9 | 191 |
| 10 | 12321 |
| 11 | 12421 |
| 12 | 12521 |
| 13 | 12621 |
| 14 | 12721 |
| 15 | 12821 |
| 16 | 12921 |
| 17 | 13431 |
| 18 | 13531 |
| 19 | 13631 |
| 20 | 13731 |
| 21 | 13831 |
| 22 | 13931 |
| 23 | 14541 |
| 24 | 14641 |
| 25 | 14741 |
| 26 | 14841 |
| 27 | 14941 |
| 28 | 15651 |
| 29 | 15751 |
| 30 | 15851 |
| 31 | 15951 |
| 32 | 16761 |
| 33 | 16861 |
| 34 | 16961 |
| 35 | 17871 |
| 36 | 17971 |
| 37 | 18981 |