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 | 421 |
| 2 | 521 |
| 3 | 821 |
| 4 | 1021 |
| 5 | 1321 |
| 6 | 1621 |
| 7 | 1721 |
| 8 | 2221 |
| 9 | 2521 |
| 10 | 2621 |
| 11 | 3121 |
| 12 | 3221 |
| 13 | 3821 |
| 14 | 4021 |
| 15 | 4421 |
| 16 | 4621 |
| 17 | 4721 |
| 18 | 5021 |
| 19 | 5521 |
| 20 | 5821 |
| 21 | 6121 |
| 22 | 6221 |
| 23 | 6421 |
| 24 | 6521 |
| 25 | 7121 |
| 26 | 7321 |
| 27 | 7621 |
| 28 | 8221 |
| 29 | 8521 |
| 30 | 8821 |
| 31 | 9221 |
| 32 | 9421 |
| 33 | 9521 |
| 34 | 9721 |
| 35 | 10321 |
| 36 | 11321 |
| 37 | 11621 |
| 38 | 11821 |
| 39 | 12421 |
| 40 | 12721 |
| 41 | 12821 |
| 42 | 13121 |