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 | 3 |
| 2 | 11 |
| 3 | 163 |
| 4 | 19 |
| 5 | 139 |
| 6 | 2593 |
| 7 | 1601 |
| 8 | 2731 |
| 9 | 1193 |
| 10 | 113 |
| 11 | 227 |
| 12 | 619 |
| 13 | 577 |
| 14 | 8537 |
| 15 | 73 |
| 16 | 43691 |
| 17 | 55681 |
| 18 | 209953 |
| 19 | 307 |
| 20 | 9697 |
| 21 | 388963 |
| 22 | 52057 |
| 23 | 1091 |
| 24 | 337 |
| 25 | 260417 |
| 26 | 304651 |
| 27 | 3011 |
| 28 | 4937 |
| 29 | 471521 |
| 30 | 1620001 |
| 31 | 691 |
| 32 | 5419 |
| 33 | 32491 |
| 34 | 46889 |
| 35 | 90947 |
| 36 | 25643 |
| 37 | 11057 |
| 38 | 15619 |
| 39 | 7499 |
| 40 | 7793 |