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 | 145 |
| 2 | 4156 |
| 3 | 134432 |
| 4 | 4227024 |
| 5 | 131452948 |
| 6 | 4076914388 |
| 7 | 126311779972 |
| 8 | 3911932445892 |
| 9 | 121136137544916 |
| 10 | 3750881659750212 |
| 11 | 116140758199404916 |
| 12 | 3596108918102565732 |
| 13 | 111347352849488575188 |
| 14 | 3447676814806342897540 |
| 15 | 106751270110819359767412 |