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 | 15 |
| 2 | 91 |
| 3 | 187 |
| 4 | 551 |
| 5 | 851 |
| 6 | 1271 |
| 7 | 2279 |
| 8 | 2867 |
| 9 | 4307 |
| 10 | 5963 |
| 11 | 6887 |
| 12 | 7979 |
| 13 | 9047 |
| 14 | 11639 |
| 15 | 14659 |
| 16 | 18923 |
| 17 | 20567 |
| 18 | 24047 |
| 19 | 27331 |
| 20 | 31459 |
| 21 | 32899 |
| 22 | 40991 |
| 23 | 44503 |
| 24 | 47959 |
| 25 | 54227 |
| 26 | 59987 |
| 27 | 62879 |
| 28 | 67159 |
| 29 | 73543 |
| 30 | 82319 |
| 31 | 85907 |
| 32 | 95371 |
| 33 | 107143 |
| 34 | 109783 |
| 35 | 123463 |
| 36 | 134983 |
| 37 | 142523 |
| 38 | 147167 |
| 39 | 155011 |