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 | 30 |
| 2 | 506 |
| 3 | 606 |
| 4 | 715 |
| 5 | 1558 |
| 6 | 1730 |
| 7 | 3945 |
| 8 | 5083 |
| 9 | 6365 |
| 10 | 8558 |
| 11 | 9361 |
| 12 | 11986 |
| 13 | 12455 |
| 14 | 14935 |
| 15 | 15458 |
| 16 | 17081 |
| 17 | 19371 |
| 18 | 19966 |
| 19 | 21183 |
| 20 | 25726 |
| 21 | 29971 |
| 22 | 32215 |
| 23 | 32981 |
| 24 | 37766 |
| 25 | 45551 |
| 26 | 46461 |
| 27 | 51146 |
| 28 | 54065 |
| 29 | 57065 |
| 30 | 58083 |
| 31 | 62245 |
| 32 | 68758 |
| 33 | 74433 |
| 34 | 75595 |
| 35 | 76766 |
| 36 | 80333 |
| 37 | 86458 |
| 38 | 88971 |
| 39 | 90241 |