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 | 13 |
| 2 | 223 |
| 3 | 433 |
| 4 | 643 |
| 5 | 853 |
| 6 | 1063 |
| 7 | 1483 |
| 8 | 1693 |
| 9 | 2113 |
| 10 | 2953 |
| 11 | 3163 |
| 12 | 3373 |
| 13 | 3583 |
| 14 | 3793 |
| 15 | 4003 |
| 16 | 4423 |
| 17 | 5683 |
| 18 | 6733 |
| 19 | 7573 |
| 20 | 7993 |
| 21 | 8623 |
| 22 | 9043 |
| 23 | 9463 |
| 24 | 9883 |
| 25 | 10093 |
| 26 | 10303 |
| 27 | 10513 |
| 28 | 10723 |
| 29 | 11353 |
| 30 | 12613 |
| 31 | 12823 |
| 32 | 13033 |
| 33 | 13873 |
| 34 | 14083 |
| 35 | 14293 |
| 36 | 14503 |
| 37 | 14713 |
| 38 | 14923 |
| 39 | 15973 |