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 | 7 |
| 3 | 44 |
| 4 | 262 |
| 5 | 313 |
| 6 | 383 |
| 7 | 404 |
| 8 | 464 |
| 9 | 565 |
| 10 | 656 |
| 11 | 818 |
| 12 | 888 |
| 13 | 989 |
| 14 | 1221 |
| 15 | 1771 |
| 16 | 1881 |
| 17 | 2112 |
| 18 | 3553 |
| 19 | 4004 |
| 20 | 4554 |
| 21 | 4774 |
| 22 | 5335 |
| 23 | 5445 |
| 24 | 5555 |
| 25 | 7117 |
| 26 | 7447 |
| 27 | 7887 |
| 28 | 8118 |
| 29 | 8778 |
| 30 | 11311 |
| 31 | 11811 |
| 32 | 12021 |
| 33 | 12321 |
| 34 | 12921 |
| 35 | 14641 |
| 36 | 15451 |
| 37 | 15951 |
| 38 | 17071 |
| 39 | 17371 |
| 40 | 18081 |
| 41 | 18381 |
| 42 | 20602 |
| 43 | 21012 |