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 | 1 |
2 | 5 |
3 | 40 |
4 | 447 |
5 | 6421 |
6 | 112726 |
7 | 2338799 |
8 | 55990213 |
9 | 1519122598 |
10 | 46066158817 |
11 | 1543974969769 |
12 | 56677405835276 |
13 | 2261488166321697 |
14 | 97455090037460785 |
15 | 4510770674565054000 |
16 | 223183550978156866507 |
17 | 11755122645815049275521 |
18 | 656670295411196201190366 |
19 | 38779502115371642484125915 |
20 | 2413908564514961126280655257 |