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 | 7 |
| 2 | 210 |
| 3 | 378 |
| 4 | 630 |
| 5 | 1904 |
| 6 | 3570 |
| 7 | 6188 |
| 8 | 6510 |
| 9 | 7154 |
| 10 | 9296 |
| 11 | 9800 |
| 12 | 10220 |
| 13 | 12446 |
| 14 | 13664 |
| 15 | 14378 |
| 16 | 17654 |
| 17 | 17780 |
| 18 | 18536 |
| 19 | 19110 |
| 20 | 19376 |
| 21 | 19530 |
| 22 | 20034 |
| 23 | 20580 |
| 24 | 21266 |
| 25 | 23240 |
| 26 | 23310 |
| 27 | 24150 |
| 28 | 24584 |
| 29 | 25298 |
| 30 | 26754 |
| 31 | 27930 |
| 32 | 28938 |
| 33 | 29106 |
| 34 | 29610 |
| 35 | 30380 |
| 36 | 31640 |
| 37 | 34146 |
| 38 | 34230 |
| 39 | 34664 |