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 | 10 |
| 3 | 33 |
| 4 | 68 |
| 5 | 155 |
| 6 | 246 |
| 7 | 413 |
| 8 | 536 |
| 9 | 747 |
| 10 | 1090 |
| 11 | 1397 |
| 12 | 1884 |
| 13 | 2327 |
| 14 | 2674 |
| 15 | 3165 |
| 16 | 3856 |
| 17 | 4709 |
| 18 | 5094 |
| 19 | 6289 |
| 20 | 7060 |
| 21 | 7707 |
| 22 | 8822 |
| 23 | 9913 |
| 24 | 11064 |
| 25 | 12725 |
| 26 | 14222 |
| 27 | 15201 |
| 28 | 16436 |
| 29 | 17371 |
| 30 | 18510 |
| 31 | 21979 |
| 32 | 23648 |
| 33 | 25509 |
| 34 | 27098 |
| 35 | 30065 |
| 36 | 31572 |
| 37 | 34003 |
| 38 | 36746 |
| 39 | 38649 |
| 40 | 41240 |