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) |
|---|---|
| 0 | 1 |
| 1 | 27 |
| 2 | 93 |
| 3 | 183 |
| 4 | 321 |
| 5 | 459 |
| 6 | 669 |
| 7 | 855 |
| 8 | 1121 |
| 9 | 1379 |
| 10 | 1685 |
| 11 | 1967 |
| 12 | 2393 |
| 13 | 2723 |
| 14 | 3125 |
| 15 | 3551 |
| 16 | 4049 |
| 17 | 4475 |
| 18 | 5045 |
| 19 | 5519 |
| 20 | 6137 |
| 21 | 6707 |
| 22 | 7301 |
| 23 | 7871 |
| 24 | 8681 |
| 25 | 9323 |
| 26 | 10013 |
| 27 | 10735 |
| 28 | 11545 |
| 29 | 12259 |
| 30 | 13189 |
| 31 | 13951 |
| 32 | 14881 |
| 33 | 15739 |
| 34 | 16621 |
| 35 | 17527 |
| 36 | 18673 |
| 37 | 19579 |
| 38 | 20557 |
| 39 | 21559 |
| 40 | 22753 |
| 41 | 23755 |