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 | 47 |
| 2 | 97 |
| 3 | 197 |
| 4 | 347 |
| 5 | 547 |
| 6 | 797 |
| 7 | 1097 |
| 8 | 1447 |
| 9 | 1847 |
| 10 | 2297 |
| 11 | 2797 |
| 12 | 3347 |
| 13 | 3947 |
| 14 | 4597 |
| 15 | 5297 |
| 16 | 6047 |
| 17 | 8597 |
| 18 | 9547 |
| 19 | 11597 |
| 20 | 12697 |
| 21 | 17597 |
| 22 | 18947 |
| 23 | 20347 |
| 24 | 23297 |
| 25 | 24847 |
| 26 | 28097 |
| 27 | 31547 |
| 28 | 33347 |
| 29 | 37097 |
| 30 | 39047 |
| 31 | 41047 |
| 32 | 45197 |
| 33 | 49547 |
| 34 | 51797 |
| 35 | 61297 |
| 36 | 66347 |
| 37 | 68947 |
| 38 | 71597 |
| 39 | 74297 |
| 40 | 77047 |
| 41 | 79847 |