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 | 3 |
| 3 | 15 |
| 4 | 104 |
| 5 | 164 |
| 6 | 194 |
| 7 | 255 |
| 8 | 495 |
| 9 | 584 |
| 10 | 975 |
| 11 | 2204 |
| 12 | 2625 |
| 13 | 2834 |
| 14 | 3255 |
| 15 | 3705 |
| 16 | 5186 |
| 17 | 5187 |
| 18 | 10604 |
| 19 | 11715 |
| 20 | 13365 |
| 21 | 18315 |
| 22 | 22935 |
| 23 | 25545 |
| 24 | 32864 |
| 25 | 38804 |
| 26 | 39524 |
| 27 | 46215 |
| 28 | 48704 |
| 29 | 49215 |
| 30 | 49335 |
| 31 | 56864 |
| 32 | 57584 |
| 33 | 57645 |
| 34 | 64004 |
| 35 | 65535 |
| 36 | 73124 |
| 37 | 105524 |
| 38 | 107864 |
| 39 | 123824 |
| 40 | 131144 |
| 41 | 164175 |
| 42 | 184635 |