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 | 11 |
| 2 | 61 |
| 3 | 181 |
| 4 | 421 |
| 5 | 461 |
| 6 | 521 |
| 7 | 991 |
| 8 | 1621 |
| 9 | 1871 |
| 10 | 3001 |
| 11 | 4441 |
| 12 | 4621 |
| 13 | 6871 |
| 14 | 9091 |
| 15 | 9931 |
| 16 | 12391 |
| 17 | 13421 |
| 18 | 14821 |
| 19 | 19141 |
| 20 | 25951 |
| 21 | 35281 |
| 22 | 35401 |
| 23 | 55201 |
| 24 | 58321 |
| 25 | 61681 |
| 26 | 62071 |
| 27 | 72931 |
| 28 | 74731 |
| 29 | 91331 |
| 30 | 92921 |
| 31 | 95881 |
| 32 | 108421 |
| 33 | 117911 |
| 34 | 117991 |
| 35 | 131041 |
| 36 | 132661 |
| 37 | 141961 |