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 | 55 |
2 | 4214 |
3 | 463490 |
4 | 70548511 |
5 | 14302100449 |
6 | 3737959987644 |
7 | 1226167891984980 |
8 | 493798190899900941 |
9 | 239688442525550848731 |
10 | 138076392637292961502674 |
11 | 93162656724001697704101750 |
12 | 72792816042947595318479356875 |