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 | 313 |
| 3 | 353 |
| 4 | 373 |
| 5 | 383 |
| 6 | 30103 |
| 7 | 30203 |
| 8 | 30403 |
| 9 | 30703 |
| 10 | 30803 |
| 11 | 31013 |
| 12 | 31513 |
| 13 | 32323 |
| 14 | 32423 |
| 15 | 33533 |
| 16 | 34543 |
| 17 | 34843 |
| 18 | 35053 |
| 19 | 35153 |
| 20 | 35353 |
| 21 | 35753 |
| 22 | 36263 |
| 23 | 36563 |
| 24 | 37273 |
| 25 | 37573 |
| 26 | 38083 |
| 27 | 38183 |
| 28 | 38783 |
| 29 | 39293 |
| 30 | 3001003 |
| 31 | 3002003 |
| 32 | 3007003 |
| 33 | 3016103 |
| 34 | 3026203 |
| 35 | 3064603 |
| 36 | 3065603 |
| 37 | 3072703 |