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 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 44202 |
| 6 | 55488142 |
| 7 | 34524432316 |
| 8 | 13267364410532 |
| 9 | 7112881119092574 |
| 10 | 4235482818156697040 |
| 11 | 2122880233853945590892 |
| 12 | 1105420672289849239070962 |
| 13 | 586820057145837880942582376 |
| 14 | 311550865881297158579957164664 |
| 15 | 162703111270636640083076205067310 |