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 | 3 |
| 2 | 11 |
| 3 | 29 |
| 4 | 149 |
| 5 | 179 |
| 6 | 191 |
| 7 | 269 |
| 8 | 347 |
| 9 | 431 |
| 10 | 461 |
| 11 | 617 |
| 12 | 659 |
| 13 | 1031 |
| 14 | 1619 |
| 15 | 1931 |
| 16 | 3467 |
| 17 | 3527 |
| 18 | 4799 |
| 19 | 6569 |
| 20 | 6689 |
| 21 | 7349 |
| 22 | 7877 |
| 23 | 9011 |
| 24 | 9767 |
| 25 | 11117 |
| 26 | 12611 |
| 27 | 13691 |
| 28 | 13901 |
| 29 | 14549 |
| 30 | 16067 |
| 31 | 16139 |
| 32 | 16451 |
| 33 | 16631 |
| 34 | 17489 |
| 35 | 17681 |
| 36 | 18911 |
| 37 | 20981 |
| 38 | 22367 |
| 39 | 23909 |
| 40 | 24179 |