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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 18 |
| 5 | 19 |
| 6 | 44 |
| 7 | 45 |
| 8 | 189 |
| 9 | 225 |
| 10 | 274 |
| 11 | 275 |
| 12 | 531 |
| 13 | 532 |
| 14 | 613 |
| 15 | 677 |
| 16 | 1701 |
| 17 | 1702 |
| 18 | 2143 |
| 19 | 2144 |
| 20 | 2720 |
| 21 | 2820 |
| 22 | 2989 |
| 23 | 2990 |
| 24 | 4926 |
| 25 | 5026 |
| 26 | 5251 |
| 27 | 5980 |
| 28 | 7004 |
| 29 | 7005 |
| 30 | 7966 |
| 31 | 7967 |
| 32 | 14367 |
| 33 | 14563 |
| 34 | 14924 |
| 35 | 15068 |
| 36 | 18668 |
| 37 | 18669 |
| 38 | 19110 |
| 39 | 19366 |
| 40 | 23990 |
| 41 | 23991 |
| 42 | 25672 |
| 43 | 25673 |
| 44 | 27977 |
| 45 | 29498 |