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 | 1 |
| 2 | 41 |
| 3 | 61 |
| 4 | 101 |
| 5 | 4181 |
| 6 | 6221 |
| 7 | 10301 |
| 8 | 426421 |
| 9 | 634481 |
| 10 | 1050601 |
| 11 | 43490761 |
| 12 | 64710841 |
| 13 | 107151001 |
| 14 | 4435631201 |
| 15 | 6599871301 |
| 16 | 10928351501 |
| 17 | 452390891741 |
| 18 | 673122161861 |
| 19 | 1114584702101 |
| 20 | 46139435326381 |
| 21 | 68651860638521 |
| 22 | 113676711262801 |