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 | -233 |
| 2 | -22961 |
| 3 | -2250073 |
| 4 | -220484321 |
| 5 | -21605213513 |
| 6 | -2117090440081 |
| 7 | -207453257914553 |
| 8 | -20328302185186241 |
| 9 | -1991966160890337193 |
| 10 | -195192355465067858801 |
| 11 | -19126858869415759825433 |
| 12 | -1874236976847279395033761 |
| 13 | -183656096872163964953483273 |
| 14 | -17996423256495221286046327121 |