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 | 4 |
| 2 | 22 |
| 3 | 94 |
| 4 | 142 |
| 5 | 262 |
| 6 | 334 |
| 7 | 358 |
| 8 | 694 |
| 9 | 862 |
| 10 | 934 |
| 11 | 1174 |
| 12 | 1678 |
| 13 | 1822 |
| 14 | 2182 |
| 15 | 2854 |
| 16 | 3022 |
| 17 | 3862 |
| 18 | 3958 |
| 19 | 4054 |
| 20 | 4702 |
| 21 | 4894 |
| 22 | 5062 |
| 23 | 5398 |
| 24 | 5854 |
| 25 | 6022 |
| 26 | 6238 |
| 27 | 6382 |
| 28 | 6694 |
| 29 | 7534 |
| 30 | 7558 |
| 31 | 7822 |
| 32 | 8038 |
| 33 | 8422 |
| 34 | 9502 |
| 35 | 9934 |
| 36 | 10078 |
| 37 | 10342 |
| 38 | 10558 |
| 39 | 11062 |
| 40 | 11758 |
| 41 | 12574 |
| 42 | 12622 |
| 43 | 13942 |
| 44 | 14038 |
| 45 | 14254 |
| 46 | 14374 |
| 47 | 15094 |
| 48 | 16438 |
| 49 | 16462 |