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) |
|---|---|
| 0 | 1 |
| 1 | 127 |
| 2 | 2014 |
| 3 | 7918 |
| 4 | 31606 |
| 5 | 32122 |
| 6 | 32188 |
| 7 | 126394 |
| 8 | 486838 |
| 9 | 503482 |
| 10 | 505564 |
| 11 | 506332 |
| 12 | 511708 |
| 13 | 511804 |
| 14 | 513514 |
| 15 | 514936 |
| 16 | 2012890 |
| 17 | 2021098 |
| 18 | 2025196 |
| 19 | 2054044 |
| 20 | 2055544 |
| 21 | 7788250 |
| 22 | 8050522 |
| 23 | 8051434 |
| 24 | 8051548 |
| 25 | 8054620 |
| 26 | 8075098 |
| 27 | 8075110 |
| 28 | 8084380 |
| 29 | 8104888 |
| 30 | 8182636 |
| 31 | 8183020 |
| 32 | 8185756 |
| 33 | 8207218 |
| 34 | 8207602 |
| 35 | 8214442 |
| 36 | 8219596 |
| 37 | 8219602 |
| 38 | 8231884 |
| 39 | 8236516 |
| 40 | 8238832 |