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 | 19 |
| 2 | 137 |
| 3 | 373 |
| 4 | 491 |
| 5 | 727 |
| 6 | 1553 |
| 7 | 1789 |
| 8 | 1907 |
| 9 | 2143 |
| 10 | 2851 |
| 11 | 2969 |
| 12 | 3323 |
| 13 | 3559 |
| 14 | 3677 |
| 15 | 4621 |
| 16 | 5683 |
| 17 | 5801 |
| 18 | 6037 |
| 19 | 6863 |
| 20 | 8161 |
| 21 | 9341 |
| 22 | 9931 |
| 23 | 10639 |
| 24 | 10993 |
| 25 | 11701 |
| 26 | 12409 |
| 27 | 12527 |
| 28 | 12763 |
| 29 | 14533 |
| 30 | 14887 |
| 31 | 15241 |
| 32 | 15359 |
| 33 | 16067 |
| 34 | 16421 |
| 35 | 16657 |
| 36 | 17011 |
| 37 | 17483 |
| 38 | 17837 |
| 39 | 18191 |
| 40 | 18427 |
| 41 | 18899 |