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 | 7 |
| 3 | 19 |
| 4 | 59 |
| 5 | 109 |
| 6 | 157 |
| 7 | 257 |
| 8 | 439 |
| 9 | 599 |
| 10 | 907 |
| 11 | 1039 |
| 12 | 1229 |
| 13 | 1279 |
| 14 | 1489 |
| 15 | 1657 |
| 16 | 3407 |
| 17 | 3659 |
| 18 | 4099 |
| 19 | 5569 |
| 20 | 6907 |
| 21 | 7507 |
| 22 | 7879 |
| 23 | 8389 |
| 24 | 9049 |
| 25 | 10589 |
| 26 | 11329 |
| 27 | 11939 |
| 28 | 14369 |
| 29 | 16657 |
| 30 | 17209 |
| 31 | 17959 |
| 32 | 18149 |
| 33 | 18919 |
| 34 | 19507 |
| 35 | 20507 |
| 36 | 22159 |
| 37 | 26339 |
| 38 | 30139 |
| 39 | 31379 |
| 40 | 34457 |
| 41 | 36319 |