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 | 1 |
| 2 | 5 |
| 3 | 4 |
| 4 | 19 |
| 5 | 18 |
| 6 | 14 |
| 7 | 69 |
| 8 | 68 |
| 9 | 64 |
| 10 | 50 |
| 11 | 251 |
| 12 | 250 |
| 13 | 246 |
| 14 | 232 |
| 15 | 182 |
| 16 | 923 |
| 17 | 922 |
| 18 | 918 |
| 19 | 904 |
| 20 | 854 |
| 21 | 672 |
| 22 | 3431 |
| 23 | 3430 |
| 24 | 3426 |
| 25 | 3412 |
| 26 | 3362 |
| 27 | 3180 |
| 28 | 2508 |
| 29 | 12869 |
| 30 | 12868 |
| 31 | 12864 |
| 32 | 12850 |
| 33 | 12800 |
| 34 | 12618 |
| 35 | 11946 |
| 36 | 9438 |
| 37 | 48619 |
| 38 | 48618 |
| 39 | 48614 |
| 40 | 48600 |
| 41 | 48550 |
| 42 | 48368 |
| 43 | 47696 |