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 | 647 |
| 2 | 1039 |
| 3 | 1103 |
| 4 | 1279 |
| 5 | 1447 |
| 6 | 1471 |
| 7 | 1811 |
| 8 | 1979 |
| 9 | 2411 |
| 10 | 2671 |
| 11 | 3491 |
| 12 | 3539 |
| 13 | 3847 |
| 14 | 3923 |
| 15 | 4211 |
| 16 | 4783 |
| 17 | 5387 |
| 18 | 5507 |
| 19 | 5531 |
| 20 | 6563 |
| 21 | 6659 |
| 22 | 6703 |
| 23 | 7043 |
| 24 | 9587 |
| 25 | 9931 |
| 26 | 10867 |
| 27 | 10883 |
| 28 | 12203 |
| 29 | 12739 |
| 30 | 13099 |
| 31 | 13187 |
| 32 | 15307 |
| 33 | 15451 |
| 34 | 16267 |
| 35 | 17203 |
| 36 | 17851 |
| 37 | 18379 |
| 38 | 20323 |