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 | 10 |
| 3 | 151 |
| 4 | 50 |
| 5 | 471 |
| 6 | 440 |
| 7 | 981 |
| 8 | 220 |
| 9 | 1561 |
| 10 | 1550 |
| 11 | 2371 |
| 12 | 1750 |
| 13 | 3361 |
| 14 | 3320 |
| 15 | 4591 |
| 16 | 2440 |
| 17 | 5781 |
| 18 | 5720 |
| 19 | 7221 |
| 20 | 6190 |
| 21 | 8901 |
| 22 | 8830 |
| 23 | 10821 |
| 24 | 6620 |
| 25 | 12591 |
| 26 | 12510 |
| 27 | 14721 |
| 28 | 13220 |
| 29 | 17101 |
| 30 | 16970 |
| 31 | 19721 |
| 32 | 14860 |
| 33 | 21941 |
| 34 | 22010 |
| 35 | 24901 |
| 36 | 22880 |
| 37 | 27911 |
| 38 | 27750 |
| 39 | 31211 |
| 40 | 25030 |
| 41 | 33801 |
| 42 | 34100 |