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 | 105 |
| 1 | 735 |
| 2 | 50050 |
| 3 | 5460315 |
| 4 | 742511070 |
| 5 | 114872107350 |
| 6 | 19348562209860 |
| 7 | 3461691866723475 |
| 8 | 647897423565562310 |
| 9 | 125577883051534761666 |
| 10 | 25029394494457424675100 |
| 11 | 5103876046438721064520350 |
| 12 | 1060725331955983336553011500 |
| 13 | 224018752093294694626068131340 |
| 14 | 47967198494914114482847609250184 |