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 | 5 |
| 3 | 8 |
| 4 | 24 |
| 5 | 54 |
| 6 | 117 |
| 7 | 222 |
| 8 | 258 |
| 9 | 291 |
| 10 | 591 |
| 11 | 888 |
| 12 | 951 |
| 13 | 1656 |
| 14 | 1674 |
| 15 | 2451 |
| 16 | 2577 |
| 17 | 4212 |
| 18 | 4857 |
| 19 | 6597 |
| 20 | 7398 |
| 21 | 10758 |
| 22 | 10950 |
| 23 | 11601 |
| 24 | 19608 |
| 25 | 20604 |
| 26 | 27411 |
| 27 | 35157 |
| 28 | 43338 |
| 29 | 45174 |
| 30 | 46920 |
| 31 | 53412 |
| 32 | 71661 |
| 33 | 90699 |
| 34 | 96681 |
| 35 | 107385 |
| 36 | 123051 |
| 37 | 130782 |
| 38 | 189741 |
| 39 | 225747 |
| 40 | 273738 |
| 41 | 288096 |
| 42 | 362781 |