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 | 270 |
| 2 | 1386 |
| 3 | 1575 |
| 4 | 2070 |
| 5 | 2136 |
| 6 | 2142 |
| 7 | 2295 |
| 8 | 2300 |
| 9 | 2394 |
| 10 | 2412 |
| 11 | 2475 |
| 12 | 2508 |
| 13 | 2550 |
| 14 | 2565 |
| 15 | 2568 |
| 16 | 2610 |
| 17 | 2844 |
| 18 | 2964 |
| 19 | 3087 |
| 20 | 3267 |
| 21 | 3465 |
| 22 | 3654 |
| 23 | 3708 |
| 24 | 3924 |
| 25 | 4008 |
| 26 | 4016 |
| 27 | 4068 |
| 28 | 4185 |
| 29 | 4208 |
| 30 | 4290 |
| 31 | 4293 |
| 32 | 4347 |
| 33 | 4446 |
| 34 | 4482 |
| 35 | 4563 |
| 36 | 4692 |
| 37 | 4779 |
| 38 | 4875 |
| 39 | 4932 |
| 40 | 5049 |
| 41 | 5238 |
| 42 | 5355 |