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 | 6 |
| 2 | 11 |
| 3 | 27 |
| 4 | 51 |
| 5 | 123 |
| 6 | 171 |
| 7 | 291 |
| 8 | 363 |
| 9 | 531 |
| 10 | 843 |
| 11 | 963 |
| 12 | 1371 |
| 13 | 1683 |
| 14 | 1851 |
| 15 | 2211 |
| 16 | 2811 |
| 17 | 3483 |
| 18 | 3723 |
| 19 | 4491 |
| 20 | 5043 |
| 21 | 5331 |
| 22 | 6243 |
| 23 | 6891 |
| 24 | 7923 |
| 25 | 9411 |
| 26 | 10203 |
| 27 | 10611 |
| 28 | 11451 |
| 29 | 11883 |
| 30 | 12771 |
| 31 | 16131 |
| 32 | 17163 |
| 33 | 18771 |
| 34 | 19323 |
| 35 | 22203 |
| 36 | 22803 |
| 37 | 24651 |
| 38 | 26571 |
| 39 | 27891 |
| 40 | 29931 |