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 | 3 |
| 4 | 5 |
| 5 | 9 |
| 6 | 11 |
| 7 | 13 |
| 8 | 19 |
| 9 | 21 |
| 10 | 25 |
| 11 | 41 |
| 12 | 57 |
| 13 | 79 |
| 14 | 127 |
| 15 | 135 |
| 16 | 149 |
| 17 | 165 |
| 18 | 177 |
| 19 | 193 |
| 20 | 209 |
| 21 | 223 |
| 22 | 255 |
| 23 | 273 |
| 24 | 287 |
| 25 | 297 |
| 26 | 375 |
| 27 | 433 |
| 28 | 459 |
| 29 | 481 |
| 30 | 565 |
| 31 | 1079 |
| 32 | 1435 |
| 33 | 1543 |
| 34 | 1771 |
| 35 | 1913 |
| 36 | 1983 |
| 37 | 2063 |
| 38 | 2305 |
| 39 | 2653 |
| 40 | 6789 |
| 41 | 8757 |
| 42 | 11149 |
| 43 | 13671 |
| 44 | 15433 |
| 45 | 16369 |
| 46 | 17261 |
| 47 | 18129 |
| 48 | 22129 |
| 49 | 22785 |
| 50 | 22875 |
| 51 | 25235 |
| 52 | 25247 |
| 53 | 26329 |
| 54 | 27675 |
| 55 | 33391 |
| 56 | 39075 |
| 57 | 41195 |
| 58 | 47435 |
| 59 | 47621 |
| 60 | 48409 |
| 61 | 59235 |
| 62 | 59715 |
| 63 | 61571 |
| 64 | 65433 |
| 65 | 78761 |
| 66 | 83033 |