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 | 4 |
2 | 55 |
3 | 34960 |
4 | 537157696 |
5 | 140738033618944 |
6 | 590295811483987148800 |
7 | 39614081257168338331296071680 |
8 | 42535295865117309120430975675097153536 |
9 | 730750818665451459102461990840694008379514814464 |
10 | 200867255532373784442745261867639247948787687313041365401600 |