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 | 70 |
| 2 | 1092 |
| 3 | 1428 |
| 4 | 1596 |
| 5 | 4030 |
| 6 | 5830 |
| 7 | 50388 |
| 8 | 133042 |
| 9 | 216300 |
| 10 | 269990 |
| 11 | 437745 |
| 12 | 442365 |
| 13 | 4199030 |
| 14 | 22982388 |
| 15 | 124540390 |
| 16 | 361745930 |
| 17 | 507298090 |
| 18 | 541900788 |
| 19 | 624032630 |
| 20 | 1113445430 |
| 21 | 3002432810 |
| 22 | 6771402960 |
| 23 | 13455037365 |
| 24 | 17242767300 |
| 25 | 60428265370 |