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 | 2 |
| 3 | 255 |
| 4 | 256 |
| 5 | 272 |
| 6 | 320 |
| 7 | 340 |
| 8 | 384 |
| 9 | 408 |
| 10 | 480 |
| 11 | 510 |
| 12 | 21845 |
| 13 | 32768 |
| 14 | 32896 |
| 15 | 34816 |
| 16 | 34952 |
| 17 | 40960 |
| 18 | 41120 |
| 19 | 43520 |
| 20 | 43690 |
| 21 | 49152 |
| 22 | 49344 |
| 23 | 52224 |
| 24 | 52428 |
| 25 | 61440 |
| 26 | 61680 |
| 27 | 65280 |
| 28 | 280999 |
| 29 | 281587 |
| 30 | 282637 |
| 31 | 282949 |
| 32 | 283897 |
| 33 | 294409 |
| 34 | 297449 |
| 35 | 300409 |
| 36 | 302039 |
| 37 | 304399 |