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 | 5 |
| 2 | 11 |
| 3 | 29 |
| 4 | 41 |
| 5 | 71 |
| 6 | 239 |
| 7 | 419 |
| 8 | 461 |
| 9 | 599 |
| 10 | 1481 |
| 11 | 1721 |
| 12 | 2549 |
| 13 | 2969 |
| 14 | 3539 |
| 15 | 4421 |
| 16 | 8009 |
| 17 | 10301 |
| 18 | 17291 |
| 19 | 19181 |
| 20 | 20021 |
| 21 | 23561 |
| 22 | 24179 |
| 23 | 27059 |
| 24 | 31151 |
| 25 | 35531 |
| 26 | 41411 |
| 27 | 42641 |
| 28 | 43889 |
| 29 | 46439 |
| 30 | 47741 |
| 31 | 53591 |
| 32 | 55931 |
| 33 | 60761 |
| 34 | 83231 |
| 35 | 84389 |
| 36 | 95789 |
| 37 | 98909 |
| 38 | 123551 |
| 39 | 143261 |
| 40 | 156419 |
| 41 | 164429 |