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 | 1 |
| 2 | 1 |
| 3 | 6 |
| 4 | 88 |
| 5 | 5136 |
| 6 | 1052154 |
| 7 | 706474926 |
| 8 | 1581054875274 |
| 9 | 12140605885784816 |
| 10 | 328173091958855376334 |
| 11 | 31831409045512513121561226 |
| 12 | 11234306828778006073392046869300 |
| 13 | 14576263867446651299709243211339018934 |
| 14 | 70075728362101598938266196294267261948879446 |