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 | 3 |
| 1 | 32 |
| 2 | 746 |
| 3 | 19748 |
| 4 | 531698 |
| 5 | 14349932 |
| 6 | 387424586 |
| 7 | 10460369588 |
| 8 | 282429602018 |
| 9 | 7625597747132 |
| 10 | 205891133143226 |
| 11 | 5559060570749828 |
| 12 | 150094635313776338 |
| 13 | 4052555153086085132 |
| 14 | 109418989131780794666 |
| 15 | 2954312706551907440468 |
| 16 | 79766443076876804830658 |